Merge branch 'next' into for-linus

Prepare input updates for 4.11 merge window.

Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt

···
+Samsung tm2-touchkey
+
+Required properties:
+- compatible: must be "cypress,tm2-touchkey"
+- reg: I2C address of the chip.
+- interrupt-parent: a phandle for the interrupt controller (see interrupt
+	binding[0]).
+- interrupts: interrupt to which the chip is connected (see interrupt
+	binding[0]).
+- vcc-supply : internal regulator output. 1.8V
+- vdd-supply : power supply for IC 3.3V
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example:
+	&i2c0 {
+		/* ... */
+
+		touchkey@20 {
+			compatible = "cypress,tm2-touchkey";
+			reg = <0x20>;
+			interrupt-parent = <&gpa3>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+			vcc-supply=<&ldo32_reg>;
+			vdd-supply=<&ldo33_reg>;
+		};
+	};

Documentation/devicetree/bindings/input/mpr121-touchkey.txt

···
+* Freescale MPR121 Controllor
+
+Required Properties:
+- compatible:		Should be "fsl,mpr121-touchkey"
+- reg:			The I2C slave address of the device.
+- interrupts:		The interrupt number to the cpu.
+- vdd-supply:		Phandle to the Vdd power supply.
+- linux,keycodes:	Specifies an array of numeric keycode values to
+			be used for reporting button presses. The array can
+			contain up to 12 entries.
+
+Optional Properties:
+- wakeup-source:	Use any event on keypad as wakeup event.
+- autorepeat:		Enable autorepeat feature.
+
+Example:
+
+#include "dt-bindings/input/input.h"
+
+	touchkey: mpr121@5a {
+		compatible = "fsl,mpr121-touchkey";
+		reg = <0x5a>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <28 2>;
+		autorepeat;
+		vdd-supply = <&ldo4_reg>;
+		linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,
+				<KEY_4> <KEY_5>, <KEY_6>, <KEY_7>,
+				<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;
+	};

Documentation/devicetree/bindings/input/pwm-beeper.txt

···
 Required properties:
 - compatible: should be "pwm-beeper"
 - pwms: phandle to the physical PWM device
+
+Optional properties:
+- amp-supply: phandle to a regulator that acts as an amplifier for the beeper
+
+Example:
+
+beeper_amp: amplifier {
+	compatible = "fixed-regulator";
+	gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+};
+
+beeper {
+	compatible = "pwm-beeper";
+	pwms = <&pwm0>;
+	amp-supply = <&beeper_amp>;
+};

Documentation/devicetree/bindings/input/touchscreen/zet6223.txt

···
+Zeitec ZET6223 I2C touchscreen controller
+
+Required properties:
+- compatible		  : "zeitec,zet6223"
+- reg			  : I2C slave address of the chip (0x76)
+- interrupt-parent	  : a phandle pointing to the interrupt controller
+			    serving the interrupt for this chip
+- interrupts		  : interrupt specification for the zet6223 interrupt
+
+Optional properties:
+
+- vio-supply		  : Specification for VIO supply (1.8V or 3.3V,
+			    depending on system interface needs).
+- vcc-supply		  : Specification for 3.3V VCC supply.
+- touchscreen-size-x	  : See touchscreen.txt
+- touchscreen-size-y	  : See touchscreen.txt
+- touchscreen-inverted-x  : See touchscreen.txt
+- touchscreen-inverted-y  : See touchscreen.txt
+- touchscreen-swapped-x-y : See touchscreen.txt
+
+Example:
+
+i2c@00000000 {
+
+	zet6223: touchscreen@76 {
+		compatible = "zeitec,zet6223";
+		reg = <0x76>;
+		interrupt-parent = <&pio>;
+		interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>
+	};
+
+};

Documentation/devicetree/bindings/vendor-prefixes.txt

···
 xillybus	Xillybus Ltd.
 xlnx	Xilinx
 zarlink	Zarlink Semiconductor
+zeitec	ZEITEC Semiconductor Co., LTD.
 zii	Zodiac Inflight Innovations
 zte	ZTE Corp.
 zyxel	ZyXEL Communications Corp.

drivers/input/Kconfig

···
 
 config INPUT_MOUSEDEV
 	tristate "Mouse interface"
-	default y
 	help
 	  Say Y here if you want your mouse to be accessible as char devices
 	  13:32+ - /dev/input/mouseX and 13:63 - /dev/input/mice as an
···
 
 config INPUT_MOUSEDEV_PSAUX
 	bool "Provide legacy /dev/psaux device"
-	default y
 	depends on INPUT_MOUSEDEV
 	help
 	  Say Y here if you want your mouse also be accessible as char device
···
 	  the same as the data from /dev/input/mice.
 
 	  If unsure, say Y.
-
 
 config INPUT_MOUSEDEV_SCREEN_X
 	int "Horizontal screen resolution"

drivers/input/input.c

···
 };
 #endif /* CONFIG_PM */
 
-static struct device_type input_dev_type = {
+static const struct device_type input_dev_type = {
 	.groups		= input_dev_attr_groups,
 	.release	= input_dev_release,
 	.uevent		= input_dev_uevent,
···
 	unsigned int packet_size;
 	const char *path;
 	int error;
+
+	if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) {
+		dev_err(&dev->dev,
+			"Absolute device without dev->absinfo, refusing to register\n");
+		return -EINVAL;
+	}
 
 	if (dev->devres_managed) {
 		devres = devres_alloc(devm_input_device_unregister,

drivers/input/joydev.c

···
 		return 0;
 	}
 
-	return value < -32767 ? -32767 : (value > 32767 ? 32767 : value);
+	return clamp(value, -32767, 32767);
 }
 
 static void joydev_pass_event(struct joydev_client *client,
···
 	synchronize_rcu();
 }
 
+static void joydev_refresh_state(struct joydev *joydev)
+{
+	struct input_dev *dev = joydev->handle.dev;
+	int i, val;
+
+	for (i = 0; i < joydev->nabs; i++) {
+		val = input_abs_get_val(dev, joydev->abspam[i]);
+		joydev->abs[i] = joydev_correct(val, &joydev->corr[i]);
+	}
+}
+
 static int joydev_open_device(struct joydev *joydev)
 {
 	int retval;
···
 		retval = input_open_device(&joydev->handle);
 		if (retval)
 			joydev->open--;
+		else
+			joydev_refresh_state(joydev);
 	}
 
 	mutex_unlock(&joydev->mutex);
···
 		j = joydev->abspam[i];
 		if (input_abs_get_max(dev, j) == input_abs_get_min(dev, j)) {
 			joydev->corr[i].type = JS_CORR_NONE;
-			joydev->abs[i] = input_abs_get_val(dev, j);
 			continue;
 		}
 		joydev->corr[i].type = JS_CORR_BROKEN;
···
 		if (t) {
 			joydev->corr[i].coef[2] = (1 << 29) / t;
 			joydev->corr[i].coef[3] = (1 << 29) / t;
-
-			joydev->abs[i] =
-				joydev_correct(input_abs_get_val(dev, j),
-					       joydev->corr + i);
 		}
 	}
 

drivers/input/joystick/maplecontrol.c

···
 	idev->dev.parent = &mdev->dev;
 	idev->name = mdev->product_name;
 	idev->id.bustype = BUS_HOST;
-	input_set_drvdata(idev, pad);
 
 	error = input_register_device(idev);
 	if (error)

drivers/input/joystick/xpad.c

···
 	XPAD_XBOXONE_VENDOR(0x0738),		/* Mad Catz FightStick TE 2 */
 	XPAD_XBOX360_VENDOR(0x0e6f),		/* 0x0e6f X-Box 360 controllers */
 	XPAD_XBOXONE_VENDOR(0x0e6f),		/* 0x0e6f X-Box One controllers */
+	XPAD_XBOX360_VENDOR(0x0f0d),		/* Hori Controllers */
+	XPAD_XBOXONE_VENDOR(0x0f0d),		/* Hori Controllers */
 	XPAD_XBOX360_VENDOR(0x12ab),		/* X-Box 360 dance pads */
 	XPAD_XBOX360_VENDOR(0x1430),		/* RedOctane X-Box 360 controllers */
 	XPAD_XBOX360_VENDOR(0x146b),		/* BigBen Interactive Controllers */
-	XPAD_XBOX360_VENDOR(0x1bad),		/* Harminix Rock Band Guitar and Drums */
-	XPAD_XBOX360_VENDOR(0x0f0d),		/* Hori Controllers */
-	XPAD_XBOXONE_VENDOR(0x0f0d),		/* Hori Controllers */
-	XPAD_XBOX360_VENDOR(0x1689),		/* Razer Onza */
-	XPAD_XBOX360_VENDOR(0x24c6),		/* PowerA Controllers */
-	XPAD_XBOXONE_VENDOR(0x24c6),		/* PowerA Controllers */
 	XPAD_XBOX360_VENDOR(0x1532),		/* Razer Sabertooth */
 	XPAD_XBOX360_VENDOR(0x15e4),		/* Numark X-Box 360 controllers */
 	XPAD_XBOX360_VENDOR(0x162e),		/* Joytech X-Box 360 controllers */
+	XPAD_XBOX360_VENDOR(0x1689),		/* Razer Onza */
+	XPAD_XBOX360_VENDOR(0x1bad),		/* Harminix Rock Band Guitar and Drums */
+	XPAD_XBOX360_VENDOR(0x24c6),		/* PowerA Controllers */
+	XPAD_XBOXONE_VENDOR(0x24c6),		/* PowerA Controllers */
 	{ }
 };
 
···
 
 static int xpad_init_input(struct usb_xpad *xpad);
 static void xpad_deinit_input(struct usb_xpad *xpad);
+static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num);
 
 /*
  *	xpad_process_packet
···
 }
 
 /*
- *	xpadone_process_buttons
+ *	xpadone_process_packet
  *
- *	Process a button update packet from an Xbox one controller.
+ *	Completes a request by converting the data into events for the
+ *	input subsystem. This version is for the Xbox One controller.
+ *
+ *	The report format was gleaned from
+ *	https://github.com/kylelemons/xbox/blob/master/xbox.go
  */
-static void xpadone_process_buttons(struct usb_xpad *xpad,
-				struct input_dev *dev,
-				unsigned char *data)
+static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
 {
+	struct input_dev *dev = xpad->dev;
+
+	/* the xbox button has its own special report */
+	if (data[0] == 0X07) {
+		/*
+		 * The Xbox One S controller requires these reports to be
+		 * acked otherwise it continues sending them forever and
+		 * won't report further mode button events.
+		 */
+		if (data[1] == 0x30)
+			xpadone_ack_mode_report(xpad, data[2]);
+
+		input_report_key(dev, BTN_MODE, data[4] & 0x01);
+		input_sync(dev);
+		return;
+	}
+	/* check invalid packet */
+	else if (data[0] != 0X20)
+		return;
+
 	/* menu/view buttons */
 	input_report_key(dev, BTN_START,  data[4] & 0x04);
 	input_report_key(dev, BTN_SELECT, data[4] & 0x08);
···
 	}
 
 	input_sync(dev);
-}
-
-/*
- *	xpadone_process_packet
- *
- *	Completes a request by converting the data into events for the
- *	input subsystem. This version is for the Xbox One controller.
- *
- *	The report format was gleaned from
- *	https://github.com/kylelemons/xbox/blob/master/xbox.go
- */
-
-static void xpadone_process_packet(struct usb_xpad *xpad,
-				u16 cmd, unsigned char *data)
-{
-	struct input_dev *dev = xpad->dev;
-
-	switch (data[0]) {
-	case 0x20:
-		xpadone_process_buttons(xpad, dev, data);
-		break;
-
-	case 0x07:
-		/* the xbox button has its own special report */
-		input_report_key(dev, BTN_MODE, data[4] & 0x01);
-		input_sync(dev);
-		break;
-	}
 }
 
 static void xpad_irq_in(struct urb *urb)
···
 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
 }
 
-static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
+static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad,
+			struct usb_endpoint_descriptor *ep_irq_out)
 {
-	struct usb_endpoint_descriptor *ep_irq_out;
-	int ep_irq_out_idx;
 	int error;
 
 	if (xpad->xtype == XTYPE_UNKNOWN)
···
 
 	xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
 					 GFP_KERNEL, &xpad->odata_dma);
-	if (!xpad->odata) {
-		error = -ENOMEM;
-		goto fail1;
-	}
+	if (!xpad->odata)
+		return -ENOMEM;
 
 	spin_lock_init(&xpad->odata_lock);
 
 	xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
 	if (!xpad->irq_out) {
 		error = -ENOMEM;
-		goto fail2;
+		goto err_free_coherent;
 	}
-
-	/* Xbox One controller has in/out endpoints swapped. */
-	ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1;
-	ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc;
 
 	usb_fill_int_urb(xpad->irq_out, xpad->udev,
 			 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
···
 
 	return 0;
 
- fail2:	usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
- fail1:	return error;
+err_free_coherent:
+	usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
+	return error;
 }
 
 static void xpad_stop_output(struct usb_xpad *xpad)
···
 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
 
 	return retval;
+}
+
+static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num)
+{
+	unsigned long flags;
+	struct xpad_output_packet *packet =
+			&xpad->out_packets[XPAD_OUT_CMD_IDX];
+	static const u8 mode_report_ack[] = {
+		0x01, 0x20, 0x00, 0x09, 0x00, 0x07, 0x20, 0x02,
+		0x00, 0x00, 0x00, 0x00, 0x00
+	};
+
+	spin_lock_irqsave(&xpad->odata_lock, flags);
+
+	packet->len = sizeof(mode_report_ack);
+	memcpy(packet->data, mode_report_ack, packet->len);
+	packet->data[2] = seq_num;
+	packet->pending = true;
+
+	/* Reset the sequence so we send out the ack now */
+	xpad->last_out_packet = -1;
+	xpad_try_sending_next_out_packet(xpad);
+
+	spin_unlock_irqrestore(&xpad->odata_lock, flags);
 }
 
 #ifdef CONFIG_JOYSTICK_XPAD_FF
···
 	led_cdev = &led->led_cdev;
 	led_cdev->name = led->name;
 	led_cdev->brightness_set = xpad_led_set;
+	led_cdev->flags = LED_CORE_SUSPENDRESUME;
 
 	error = led_classdev_register(&xpad->udev->dev, led_cdev);
 	if (error)
···
 {
 	struct usb_device *udev = interface_to_usbdev(intf);
 	struct usb_xpad *xpad;
-	struct usb_endpoint_descriptor *ep_irq_in;
-	int ep_irq_in_idx;
+	struct usb_endpoint_descriptor *ep_irq_in, *ep_irq_out;
 	int i, error;
 
 	if (intf->cur_altsetting->desc.bNumEndpoints != 2)
···
 		goto err_free_in_urb;
 	}
 
-	error = xpad_init_output(intf, xpad);
+	ep_irq_in = ep_irq_out = NULL;
+
+	for (i = 0; i < 2; i++) {
+		struct usb_endpoint_descriptor *ep =
+				&intf->cur_altsetting->endpoint[i].desc;
+
+		if (usb_endpoint_dir_in(ep))
+			ep_irq_in = ep;
+		else
+			ep_irq_out = ep;
+	}
+
+	if (!ep_irq_in || !ep_irq_out) {
+		error = -ENODEV;
+		goto err_free_in_urb;
+	}
+
+	error = xpad_init_output(intf, xpad, ep_irq_out);
 	if (error)
 		goto err_free_in_urb;
-
-	/* Xbox One controller has in/out endpoints swapped. */
-	ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0;
-	ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc;
 
 	usb_fill_int_urb(xpad->irq_in, udev,
 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
···
 		retval = xpad360w_start_input(xpad);
 	} else {
 		mutex_lock(&input->mutex);
-		if (input->users)
+		if (input->users) {
 			retval = xpad_start_input(xpad);
+		} else if (xpad->xtype == XTYPE_XBOXONE) {
+			/*
+			 * Even if there are no users, we'll send Xbox One pads
+			 * the startup sequence so they don't sit there and
+			 * blink until somebody opens the input device again.
+			 */
+			retval = xpad_start_xbox_one(xpad);
+		}
 		mutex_unlock(&input->mutex);
 	}
 

drivers/input/keyboard/Kconfig

···
 	  To compile this driver as a module, choose M here: the
 	  module will be called tc3589x-keypad.
 
+config KEYBOARD_TM2_TOUCHKEY
+	tristate "TM2 touchkey support"
+	depends on I2C
+	depends on LEDS_CLASS
+	help
+	  Say Y here to enable device driver for tm2-touchkey with
+	  LED control for the Exynos5433 TM2 board.
+
+	  To compile this driver as a module, choose M here.
+	  module will be called tm2-touchkey.
+
 config KEYBOARD_TWL4030
 	tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
 	depends on TWL4030_CORE

drivers/input/keyboard/Makefile

···
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
 obj-$(CONFIG_KEYBOARD_TC3589X)		+= tc3589x-keypad.o
 obj-$(CONFIG_KEYBOARD_TEGRA)		+= tegra-kbc.o
+obj-$(CONFIG_KEYBOARD_TM2_TOUCHKEY)	+= tm2-touchkey.o
 obj-$(CONFIG_KEYBOARD_TWL4030)		+= twl4030_keypad.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
 obj-$(CONFIG_KEYBOARD_W90P910)		+= w90p910_keypad.o

drivers/input/keyboard/adc-keys.c

···
 	if (error)
 		return error;
 
-	platform_set_drvdata(pdev, st);
-
 	poll_dev = devm_input_allocate_polled_device(dev);
 	if (!poll_dev) {
 		dev_err(dev, "failed to allocate input device\n");

drivers/input/keyboard/adp5520-keys.c

···
 	input->phys = "adp5520-keys/input0";
 	input->dev.parent = &pdev->dev;
 
-	input_set_drvdata(input, dev);
-
 	input->id.bustype = BUS_I2C;
 	input->id.vendor = 0x0001;
 	input->id.product = 0x5520;

drivers/input/keyboard/bcm-keypad.c

···
 	/* Initialize the KPCR Keypad Configuration Register */
 	kp->kpcr = KPCR_STATUSFILTERENABLE | KPCR_COLFILTERENABLE;
 
-	error = matrix_keypad_parse_of_params(dev, &kp->n_rows, &kp->n_cols);
+	error = matrix_keypad_parse_properties(dev, &kp->n_rows, &kp->n_cols);
 	if (error) {
 		dev_err(dev, "failed to parse kp params\n");
 		return error;
···
 	input_set_drvdata(input_dev, kp);
 
 	kp->input_dev = input_dev;
-
-	platform_set_drvdata(pdev, kp);
 
 	error = bcm_kp_matrix_key_parse_dt(kp);
 	if (error)

drivers/input/keyboard/bf54x-keys.c

···
 	input->phys = "bf54x-keys/input0";
 	input->dev.parent = &pdev->dev;
 
-	input_set_drvdata(input, bf54x_kpad);
-
 	input->id.bustype = BUS_HOST;
 	input->id.vendor = 0x0001;
 	input->id.product = 0x0001;

drivers/input/keyboard/cap11xx.c

···
 		return error;
 
 	dev_info(dev, "CAP11XX detected, revision 0x%02x\n", rev);
-	i2c_set_clientdata(i2c_client, priv);
 	node = dev->of_node;
 
 	if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) {

drivers/input/keyboard/cros_ec_keyb.c

···
 #include <linux/mfd/cros_ec.h>
 #include <linux/mfd/cros_ec_commands.h>
 
+#include <asm/unaligned.h>
+
 /*
  * @rows: Number of rows in the keypad
  * @cols: Number of columns in the keypad
···
  * @valid_keys: bitmap of existing keys for each matrix column
  * @old_kb_state: bitmap of keys pressed last scan
  * @dev: Device pointer
- * @idev: Input device
  * @ec: Top level ChromeOS device to use to talk to EC
+ * @idev: The input device for the matrix keys.
+ * @bs_idev: The input device for non-matrix buttons and switches (or NULL).
  * @notifier: interrupt event notifier for transport devices
  */
 struct cros_ec_keyb {
···
 	uint8_t *old_kb_state;
 
 	struct device *dev;
-	struct input_dev *idev;
 	struct cros_ec_device *ec;
+
+	struct input_dev *idev;
+	struct input_dev *bs_idev;
 	struct notifier_block notifier;
 };
 
+
+/**
+ * cros_ec_bs_map - Struct mapping Linux keycodes to EC button/switch bitmap
+ * #defines
+ *
+ * @ev_type: The type of the input event to generate (e.g., EV_KEY).
+ * @code: A linux keycode
+ * @bit: A #define like EC_MKBP_POWER_BUTTON or EC_MKBP_LID_OPEN
+ * @inverted: If the #define and EV_SW have opposite meanings, this is true.
+ *            Only applicable to switches.
+ */
+struct cros_ec_bs_map {
+	unsigned int ev_type;
+	unsigned int code;
+	u8 bit;
+	bool inverted;
+};
+
+/* cros_ec_keyb_bs - Map EC button/switch #defines into kernel ones */
+static const struct cros_ec_bs_map cros_ec_keyb_bs[] = {
+	/* Buttons */
+	{
+		.ev_type	= EV_KEY,
+		.code		= KEY_POWER,
+		.bit		= EC_MKBP_POWER_BUTTON,
+	},
+	{
+		.ev_type	= EV_KEY,
+		.code		= KEY_VOLUMEUP,
+		.bit		= EC_MKBP_VOL_UP,
+	},
+	{
+		.ev_type	= EV_KEY,
+		.code		= KEY_VOLUMEDOWN,
+		.bit		= EC_MKBP_VOL_DOWN,
+	},
+
+	/* Switches */
+	{
+		.ev_type	= EV_SW,
+		.code		= SW_LID,
+		.bit		= EC_MKBP_LID_OPEN,
+		.inverted	= true,
+	},
+	{
+		.ev_type	= EV_SW,
+		.code		= SW_TABLET_MODE,
+		.bit		= EC_MKBP_TABLET_MODE,
+	},
+};
 
 /*
  * Returns true when there is at least one combination of pressed keys that
···
 	input_sync(ckdev->idev);
 }
 
-static int cros_ec_keyb_open(struct input_dev *dev)
+/**
+ * cros_ec_keyb_report_bs - Report non-matrixed buttons or switches
+ *
+ * This takes a bitmap of buttons or switches from the EC and reports events,
+ * syncing at the end.
+ *
+ * @ckdev: The keyboard device.
+ * @ev_type: The input event type (e.g., EV_KEY).
+ * @mask: A bitmap of buttons from the EC.
+ */
+static void cros_ec_keyb_report_bs(struct cros_ec_keyb *ckdev,
+				   unsigned int ev_type, u32 mask)
+
 {
-	struct cros_ec_keyb *ckdev = input_get_drvdata(dev);
+	struct input_dev *idev = ckdev->bs_idev;
+	int i;
 
-	return blocking_notifier_chain_register(&ckdev->ec->event_notifier,
-						&ckdev->notifier);
-}
+	for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) {
+		const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i];
 
-static void cros_ec_keyb_close(struct input_dev *dev)
-{
-	struct cros_ec_keyb *ckdev = input_get_drvdata(dev);
+		if (map->ev_type != ev_type)
+			continue;
 
-	blocking_notifier_chain_unregister(&ckdev->ec->event_notifier,
-					   &ckdev->notifier);
+		input_event(idev, ev_type, map->code,
+			    !!(mask & BIT(map->bit)) ^ map->inverted);
+	}
+	input_sync(idev);
 }
 
 static int cros_ec_keyb_work(struct notifier_block *nb,
···
 {
 	struct cros_ec_keyb *ckdev = container_of(nb, struct cros_ec_keyb,
 						  notifier);
+	u32 val;
+	unsigned int ev_type;
 
-	if (ckdev->ec->event_data.event_type != EC_MKBP_EVENT_KEY_MATRIX)
+	switch (ckdev->ec->event_data.event_type) {
+	case EC_MKBP_EVENT_KEY_MATRIX:
+		/*
+		 * If EC is not the wake source, discard key state changes
+		 * during suspend.
+		 */
+		if (queued_during_suspend)
+			return NOTIFY_OK;
+
+		if (ckdev->ec->event_size != ckdev->cols) {
+			dev_err(ckdev->dev,
+				"Discarded incomplete key matrix event.\n");
+			return NOTIFY_OK;
+		}
+		cros_ec_keyb_process(ckdev,
+				     ckdev->ec->event_data.data.key_matrix,
+				     ckdev->ec->event_size);
+		break;
+
+	case EC_MKBP_EVENT_BUTTON:
+	case EC_MKBP_EVENT_SWITCH:
+		/*
+		 * If EC is not the wake source, discard key state
+		 * changes during suspend. Switches will be re-checked in
+		 * cros_ec_keyb_resume() to be sure nothing is lost.
+		 */
+		if (queued_during_suspend)
+			return NOTIFY_OK;
+
+		if (ckdev->ec->event_data.event_type == EC_MKBP_EVENT_BUTTON) {
+			val = get_unaligned_le32(
+					&ckdev->ec->event_data.data.buttons);
+			ev_type = EV_KEY;
+		} else {
+			val = get_unaligned_le32(
+					&ckdev->ec->event_data.data.switches);
+			ev_type = EV_SW;
+		}
+		cros_ec_keyb_report_bs(ckdev, ev_type, val);
+		break;
+
+	default:
 		return NOTIFY_DONE;
-	/*
-	 * If EC is not the wake source, discard key state changes during
-	 * suspend.
-	 */
-	if (queued_during_suspend)
-		return NOTIFY_OK;
-	if (ckdev->ec->event_size != ckdev->cols) {
-		dev_err(ckdev->dev,
-			"Discarded incomplete key matrix event.\n");
-		return NOTIFY_OK;
 	}
-	cros_ec_keyb_process(ckdev, ckdev->ec->event_data.data.key_matrix,
-			     ckdev->ec->event_size);
+
 	return NOTIFY_OK;
 }
 
···
 	}
 }
 
-static int cros_ec_keyb_probe(struct platform_device *pdev)
+/**
+ * cros_ec_keyb_info - Wrap the EC command EC_CMD_MKBP_INFO
+ *
+ * This wraps the EC_CMD_MKBP_INFO, abstracting out all of the marshalling and
+ * unmarshalling and different version nonsense into something simple.
+ *
+ * @ec_dev: The EC device
+ * @info_type: Either EC_MKBP_INFO_SUPPORTED or EC_MKBP_INFO_CURRENT.
+ * @event_type: Either EC_MKBP_EVENT_BUTTON or EC_MKBP_EVENT_SWITCH.  Actually
+ *              in some cases this could be EC_MKBP_EVENT_KEY_MATRIX or
+ *              EC_MKBP_EVENT_HOST_EVENT too but we don't use in this driver.
+ * @result: Where we'll store the result; a union
+ * @result_size: The size of the result.  Expected to be the size of one of
+ *               the elements in the union.
+ *
+ * Returns 0 if no error or -error upon error.
+ */
+static int cros_ec_keyb_info(struct cros_ec_device *ec_dev,
+			     enum ec_mkbp_info_type info_type,
+			     enum ec_mkbp_event event_type,
+			     union ec_response_get_next_data *result,
+			     size_t result_size)
 {
-	struct cros_ec_device *ec = dev_get_drvdata(pdev->dev.parent);
-	struct device *dev = &pdev->dev;
-	struct cros_ec_keyb *ckdev;
+	struct ec_params_mkbp_info *params;
+	struct cros_ec_command *msg;
+	int ret;
+
+	msg = kzalloc(sizeof(*msg) + max_t(size_t, result_size,
+					   sizeof(*params)), GFP_KERNEL);
+	if (!msg)
+		return -ENOMEM;
+
+	msg->command = EC_CMD_MKBP_INFO;
+	msg->version = 1;
+	msg->outsize = sizeof(*params);
+	msg->insize = result_size;
+	params = (struct ec_params_mkbp_info *)msg->data;
+	params->info_type = info_type;
+	params->event_type = event_type;
+
+	ret = cros_ec_cmd_xfer(ec_dev, msg);
+	if (ret < 0) {
+		dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n",
+			 (int)info_type, (int)event_type, ret);
+	} else if (msg->result == EC_RES_INVALID_VERSION) {
+		/* With older ECs we just return 0 for everything */
+		memset(result, 0, result_size);
+		ret = 0;
+	} else if (msg->result != EC_RES_SUCCESS) {
+		dev_warn(ec_dev->dev, "Error getting info %d/%d: %d\n",
+			 (int)info_type, (int)event_type, msg->result);
+		ret = -EPROTO;
+	} else if (ret != result_size) {
+		dev_warn(ec_dev->dev, "Wrong size %d/%d: %d != %zu\n",
+			 (int)info_type, (int)event_type,
+			 ret, result_size);
+		ret = -EPROTO;
+	} else {
+		memcpy(result, msg->data, result_size);
+		ret = 0;
+	}
+
+	kfree(msg);
+
+	return ret;
+}
+
+/**
+ * cros_ec_keyb_query_switches - Query the state of switches and report
+ *
+ * This will ask the EC about the current state of switches and report to the
+ * kernel.  Note that we don't query for buttons because they are more
+ * transitory and we'll get an update on the next release / press.
+ *
+ * @ckdev: The keyboard device
+ *
+ * Returns 0 if no error or -error upon error.
+ */
+static int cros_ec_keyb_query_switches(struct cros_ec_keyb *ckdev)
+{
+	struct cros_ec_device *ec_dev = ckdev->ec;
+	union ec_response_get_next_data event_data = {};
+	int ret;
+
+	ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_CURRENT,
+				EC_MKBP_EVENT_SWITCH, &event_data,
+				sizeof(event_data.switches));
+	if (ret)
+		return ret;
+
+	cros_ec_keyb_report_bs(ckdev, EV_SW,
+			       get_unaligned_le32(&event_data.switches));
+
+	return 0;
+}
+
+/**
+ * cros_ec_keyb_resume - Resume the keyboard
+ *
+ * We use the resume notification as a chance to query the EC for switches.
+ *
+ * @dev: The keyboard device
+ *
+ * Returns 0 if no error or -error upon error.
+ */
+static __maybe_unused int cros_ec_keyb_resume(struct device *dev)
+{
+	struct cros_ec_keyb *ckdev = dev_get_drvdata(dev);
+
+	if (ckdev->bs_idev)
+		return cros_ec_keyb_query_switches(ckdev);
+
+	return 0;
+}
+
+/**
+ * cros_ec_keyb_register_bs - Register non-matrix buttons/switches
+ *
+ * Handles all the bits of the keyboard driver related to non-matrix buttons
+ * and switches, including asking the EC about which are present and telling
+ * the kernel to expect them.
+ *
+ * If this device has no support for buttons and switches we'll return no error
+ * but the ckdev->bs_idev will remain NULL when this function exits.
+ *
+ * @ckdev: The keyboard device
+ *
+ * Returns 0 if no error or -error upon error.
+ */
+static int cros_ec_keyb_register_bs(struct cros_ec_keyb *ckdev)
+{
+	struct cros_ec_device *ec_dev = ckdev->ec;
+	struct device *dev = ckdev->dev;
 	struct input_dev *idev;
-	struct device_node *np;
+	union ec_response_get_next_data event_data = {};
+	const char *phys;
+	u32 buttons;
+	u32 switches;
+	int ret;
+	int i;
+
+	ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_SUPPORTED,
+				EC_MKBP_EVENT_BUTTON, &event_data,
+				sizeof(event_data.buttons));
+	if (ret)
+		return ret;
+	buttons = get_unaligned_le32(&event_data.buttons);
+
+	ret = cros_ec_keyb_info(ec_dev, EC_MKBP_INFO_SUPPORTED,
+				EC_MKBP_EVENT_SWITCH, &event_data,
+				sizeof(event_data.switches));
+	if (ret)
+		return ret;
+	switches = get_unaligned_le32(&event_data.switches);
+
+	if (!buttons && !switches)
+		return 0;
+
+	/*
+	 * We call the non-matrix buttons/switches 'input1', if present.
+	 * Allocate phys before input dev, to ensure correct tear-down
+	 * ordering.
+	 */
+	phys = devm_kasprintf(dev, GFP_KERNEL, "%s/input1", ec_dev->phys_name);
+	if (!phys)
+		return -ENOMEM;
+
+	idev = devm_input_allocate_device(dev);
+	if (!idev)
+		return -ENOMEM;
+
+	idev->name = "cros_ec_buttons";
+	idev->phys = phys;
+	__set_bit(EV_REP, idev->evbit);
+
+	idev->id.bustype = BUS_VIRTUAL;
+	idev->id.version = 1;
+	idev->id.product = 0;
+	idev->dev.parent = dev;
+
+	input_set_drvdata(idev, ckdev);
+	ckdev->bs_idev = idev;
+
+	for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) {
+		const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i];
+
+		if (buttons & BIT(map->bit))
+			input_set_capability(idev, map->ev_type, map->code);
+	}
+
+	ret = cros_ec_keyb_query_switches(ckdev);
+	if (ret) {
+		dev_err(dev, "cannot query switches\n");
+		return ret;
+	}
+
+	ret = input_register_device(ckdev->bs_idev);
+	if (ret) {
+		dev_err(dev, "cannot register input device\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * cros_ec_keyb_register_bs - Register matrix keys
+ *
+ * Handles all the bits of the keyboard driver related to matrix keys.
+ *
+ * @ckdev: The keyboard device
+ *
+ * Returns 0 if no error or -error upon error.
+ */
+static int cros_ec_keyb_register_matrix(struct cros_ec_keyb *ckdev)
+{
+	struct cros_ec_device *ec_dev = ckdev->ec;
+	struct device *dev = ckdev->dev;
+	struct input_dev *idev;
+	const char *phys;
 	int err;
 
-	np = pdev->dev.of_node;
-	if (!np)
-		return -ENODEV;
-
-	ckdev = devm_kzalloc(dev, sizeof(*ckdev), GFP_KERNEL);
-	if (!ckdev)
-		return -ENOMEM;
-	err = matrix_keypad_parse_of_params(dev, &ckdev->rows, &ckdev->cols);
+	err = matrix_keypad_parse_properties(dev, &ckdev->rows, &ckdev->cols);
 	if (err)
 		return err;
 
···
 	if (!ckdev->old_kb_state)
 		return -ENOMEM;
 
+	/*
+	 * We call the keyboard matrix 'input0'. Allocate phys before input
+	 * dev, to ensure correct tear-down ordering.
+	 */
+	phys = devm_kasprintf(dev, GFP_KERNEL, "%s/input0", ec_dev->phys_name);
+	if (!phys)
+		return -ENOMEM;
+
 	idev = devm_input_allocate_device(dev);
 	if (!idev)
 		return -ENOMEM;
 
-	ckdev->ec = ec;
-	ckdev->notifier.notifier_call = cros_ec_keyb_work;
-	ckdev->dev = dev;
-	dev_set_drvdata(dev, ckdev);
-
 	idev->name = CROS_EC_DEV_NAME;
-	idev->phys = ec->phys_name;
+	idev->phys = phys;
 	__set_bit(EV_REP, idev->evbit);
 
 	idev->id.bustype = BUS_VIRTUAL;
 	idev->id.version = 1;
 	idev->id.product = 0;
 	idev->dev.parent = dev;
-	idev->open = cros_ec_keyb_open;
-	idev->close = cros_ec_keyb_close;
 
-	ckdev->ghost_filter = of_property_read_bool(np,
+	ckdev->ghost_filter = of_property_read_bool(dev->of_node,
 					"google,needs-ghost-filter");
 
 	err = matrix_keypad_build_keymap(NULL, NULL, ckdev->rows, ckdev->cols,
···
 	return 0;
 }
 
+static int cros_ec_keyb_probe(struct platform_device *pdev)
+{
+	struct cros_ec_device *ec = dev_get_drvdata(pdev->dev.parent);
+	struct device *dev = &pdev->dev;
+	struct cros_ec_keyb *ckdev;
+	int err;
+
+	if (!dev->of_node)
+		return -ENODEV;
+
+	ckdev = devm_kzalloc(dev, sizeof(*ckdev), GFP_KERNEL);
+	if (!ckdev)
+		return -ENOMEM;
+
+	ckdev->ec = ec;
+	ckdev->dev = dev;
+	dev_set_drvdata(dev, ckdev);
+
+	err = cros_ec_keyb_register_matrix(ckdev);
+	if (err) {
+		dev_err(dev, "cannot register matrix inputs: %d\n", err);
+		return err;
+	}
+
+	err = cros_ec_keyb_register_bs(ckdev);
+	if (err) {
+		dev_err(dev, "cannot register non-matrix inputs: %d\n", err);
+		return err;
+	}
+
+	ckdev->notifier.notifier_call = cros_ec_keyb_work;
+	err = blocking_notifier_chain_register(&ckdev->ec->event_notifier,
+					       &ckdev->notifier);
+	if (err) {
+		dev_err(dev, "cannot register notifier: %d\n", err);
+		return err;
+	}
+
+	return 0;
+}
+
+static int cros_ec_keyb_remove(struct platform_device *pdev)
+{
+	struct cros_ec_keyb *ckdev = dev_get_drvdata(&pdev->dev);
+
+	blocking_notifier_chain_unregister(&ckdev->ec->event_notifier,
+					   &ckdev->notifier);
+
+	return 0;
+}
+
 #ifdef CONFIG_OF
 static const struct of_device_id cros_ec_keyb_of_match[] = {
 	{ .compatible = "google,cros-ec-keyb" },
···
 MODULE_DEVICE_TABLE(of, cros_ec_keyb_of_match);
 #endif
 
+static const SIMPLE_DEV_PM_OPS(cros_ec_keyb_pm_ops, NULL, cros_ec_keyb_resume);
+
 static struct platform_driver cros_ec_keyb_driver = {
 	.probe = cros_ec_keyb_probe,
+	.remove = cros_ec_keyb_remove,
 	.driver = {
 		.name = "cros-ec-keyb",
 		.of_match_table = of_match_ptr(cros_ec_keyb_of_match),
+		.pm = &cros_ec_keyb_pm_ops,
 	},
 };
 

drivers/input/keyboard/davinci_keyscan.c

···
 	struct input_dev *key_dev;
 	struct resource *res, *mem;
 	struct device *dev = &pdev->dev;
-	struct davinci_ks_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	struct davinci_ks_platform_data *pdata = dev_get_platdata(dev);
 	int error, i;
 
 	if (pdata->device_enable) {
···
 
 	key_dev->name = "davinci_keyscan";
 	key_dev->phys = "davinci_keyscan/input0";
-	key_dev->dev.parent = &pdev->dev;
+	key_dev->dev.parent = dev;
 	key_dev->id.bustype = BUS_HOST;
 	key_dev->id.vendor = 0x0001;
 	key_dev->id.product = 0x0001;

drivers/input/keyboard/gpio_keys.c

···
 	struct input_dev *input;
 	struct gpio_desc *gpiod;
 
+	unsigned short *code;
+
 	struct timer_list release_timer;
 	unsigned int release_delay;	/* in msecs, for IRQ-only buttons */
 
···
 	const struct gpio_keys_platform_data *pdata;
 	struct input_dev *input;
 	struct mutex disable_lock;
+	unsigned short *keymap;
 	struct gpio_button_data data[0];
 };
 
···
 		if (only_disabled && !bdata->disabled)
 			continue;
 
-		__set_bit(bdata->button->code, bits);
+		__set_bit(*bdata->code, bits);
 	}
 
 	ret = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", n_events, bits);
···
 		if (bdata->button->type != type)
 			continue;
 
-		if (test_bit(bdata->button->code, bits) &&
+		if (test_bit(*bdata->code, bits) &&
 		    !bdata->button->can_disable) {
 			error = -EINVAL;
 			goto out;
···
 		if (bdata->button->type != type)
 			continue;
 
-		if (test_bit(bdata->button->code, bits))
+		if (test_bit(*bdata->code, bits))
 			gpio_keys_disable_button(bdata);
 		else
 			gpio_keys_enable_button(bdata);
···
 		if (state)
 			input_event(input, type, button->code, button->value);
 	} else {
-		input_event(input, type, button->code, state);
+		input_event(input, type, *bdata->code, state);
 	}
 	input_sync(input);
 }
···
 
 	spin_lock_irqsave(&bdata->lock, flags);
 	if (bdata->key_pressed) {
-		input_event(input, EV_KEY, bdata->button->code, 0);
+		input_event(input, EV_KEY, *bdata->code, 0);
 		input_sync(input);
 		bdata->key_pressed = false;
 	}
···
 static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id)
 {
 	struct gpio_button_data *bdata = dev_id;
-	const struct gpio_keys_button *button = bdata->button;
 	struct input_dev *input = bdata->input;
 	unsigned long flags;
 
···
 		if (bdata->button->wakeup)
 			pm_wakeup_event(bdata->input->dev.parent, 0);
 
-		input_event(input, EV_KEY, button->code, 1);
+		input_event(input, EV_KEY, *bdata->code, 1);
 		input_sync(input);
 
 		if (!bdata->release_delay) {
-			input_event(input, EV_KEY, button->code, 0);
+			input_event(input, EV_KEY, *bdata->code, 0);
 			input_sync(input);
 			goto out;
 		}
···
 
 static int gpio_keys_setup_key(struct platform_device *pdev,
 				struct input_dev *input,
-				struct gpio_button_data *bdata,
+				struct gpio_keys_drvdata *ddata,
 				const struct gpio_keys_button *button,
+				int idx,
 				struct fwnode_handle *child)
 {
 	const char *desc = button->desc ? button->desc : "gpio_keys";
 	struct device *dev = &pdev->dev;
+	struct gpio_button_data *bdata = &ddata->data[idx];
 	irq_handler_t isr;
 	unsigned long irqflags;
 	int irq;
···
 		if (button->active_low)
 			flags |= GPIOF_ACTIVE_LOW;
 
-		error = devm_gpio_request_one(&pdev->dev, button->gpio, flags,
-					      desc);
+		error = devm_gpio_request_one(dev, button->gpio, flags, desc);
 		if (error < 0) {
 			dev_err(dev, "Failed to request GPIO %d, error %d\n",
 				button->gpio, error);
···
 		irqflags = 0;
 	}
 
-	input_set_capability(input, button->type ?: EV_KEY, button->code);
+	bdata->code = &ddata->keymap[idx];
+	*bdata->code = button->code;
+	input_set_capability(input, button->type ?: EV_KEY, *bdata->code);
 
 	/*
 	 * Install custom action to cancel release timer and
 	 * workqueue item.
 	 */
-	error = devm_add_action(&pdev->dev, gpio_keys_quiesce_key, bdata);
+	error = devm_add_action(dev, gpio_keys_quiesce_key, bdata);
 	if (error) {
-		dev_err(&pdev->dev,
-			"failed to register quiesce action, error: %d\n",
+		dev_err(dev, "failed to register quiesce action, error: %d\n",
 			error);
 		return error;
 	}
···
 	if (!button->can_disable)
 		irqflags |= IRQF_SHARED;
 
-	error = devm_request_any_context_irq(&pdev->dev, bdata->irq,
-					     isr, irqflags, desc, bdata);
+	error = devm_request_any_context_irq(dev, bdata->irq, isr, irqflags,
+					     desc, bdata);
 	if (error < 0) {
 		dev_err(dev, "Unable to claim irq %d; error %d\n",
 			bdata->irq, error);
···
 		return -ENOMEM;
 	}
 
+	ddata->keymap = devm_kcalloc(dev,
+				     pdata->nbuttons, sizeof(ddata->keymap[0]),
+				     GFP_KERNEL);
+	if (!ddata->keymap)
+		return -ENOMEM;
+
 	input = devm_input_allocate_device(dev);
 	if (!input) {
 		dev_err(dev, "failed to allocate input device\n");
···
 
 	input->name = pdata->name ? : pdev->name;
 	input->phys = "gpio-keys/input0";
-	input->dev.parent = &pdev->dev;
+	input->dev.parent = dev;
 	input->open = gpio_keys_open;
 	input->close = gpio_keys_close;
 
···
 	input->id.product = 0x0001;
 	input->id.version = 0x0100;
 
+	input->keycode = ddata->keymap;
+	input->keycodesize = sizeof(ddata->keymap[0]);
+	input->keycodemax = pdata->nbuttons;
+
 	/* Enable auto repeat feature of Linux input subsystem */
 	if (pdata->rep)
 		__set_bit(EV_REP, input->evbit);
 
 	for (i = 0; i < pdata->nbuttons; i++) {
 		const struct gpio_keys_button *button = &pdata->buttons[i];
-		struct gpio_button_data *bdata = &ddata->data[i];
 
 		if (!dev_get_platdata(dev)) {
-			child = device_get_next_child_node(&pdev->dev, child);
+			child = device_get_next_child_node(dev, child);
 			if (!child) {
-				dev_err(&pdev->dev,
+				dev_err(dev,
 					"missing child device node for entry %d\n",
 					i);
 				return -EINVAL;
 			}
 		}
 
-		error = gpio_keys_setup_key(pdev, input, bdata, button, child);
+		error = gpio_keys_setup_key(pdev, input, ddata,
+					    button, i, child);
 		if (error) {
 			fwnode_handle_put(child);
 			return error;
···
 
 	fwnode_handle_put(child);
 
-	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
+	error = sysfs_create_group(&dev->kobj, &gpio_keys_attr_group);
 	if (error) {
 		dev_err(dev, "Unable to export keys/switches, error: %d\n",
 			error);
···
 		goto err_remove_group;
 	}
 
-	device_init_wakeup(&pdev->dev, wakeup);
+	device_init_wakeup(dev, wakeup);
 
 	return 0;
 
 err_remove_group:
-	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
+	sysfs_remove_group(&dev->kobj, &gpio_keys_attr_group);
 	return error;
 }
 
 static int gpio_keys_remove(struct platform_device *pdev)
 {
 	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
-
-	device_init_wakeup(&pdev->dev, 0);
 
 	return 0;
 }

drivers/input/keyboard/gpio_keys_polled.c

···
 
 	size = sizeof(struct gpio_keys_polled_dev) +
 			pdata->nbuttons * sizeof(struct gpio_keys_button_data);
-	bdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+	bdev = devm_kzalloc(dev, size, GFP_KERNEL);
 	if (!bdev) {
 		dev_err(dev, "no memory for private data\n");
 		return -ENOMEM;
 	}
 
-	poll_dev = devm_input_allocate_polled_device(&pdev->dev);
+	poll_dev = devm_input_allocate_polled_device(dev);
 	if (!poll_dev) {
 		dev_err(dev, "no memory for polled device\n");
 		return -ENOMEM;
···
 			if (button->active_low)
 				flags |= GPIOF_ACTIVE_LOW;
 
-			error = devm_gpio_request_one(&pdev->dev, button->gpio,
+			error = devm_gpio_request_one(dev, button->gpio,
 					flags, button->desc ? : DRV_NAME);
 			if (error) {
 				dev_err(dev,
···
 	bdev->poll_dev = poll_dev;
 	bdev->dev = dev;
 	bdev->pdata = pdata;
-	platform_set_drvdata(pdev, bdev);
 
 	error = input_register_polled_device(poll_dev);
 	if (error) {

drivers/input/keyboard/jornada680_kbd.c

···
 		return -ENOMEM;
 	}
 
-	platform_set_drvdata(pdev, jornadakbd);
-
 	jornadakbd->poll_dev = poll_dev;
 
 	memcpy(jornadakbd->keymap, jornada_scancodes,

drivers/input/keyboard/lpc32xx-keys.c

···
 	u32 rows = 0, columns = 0;
 	int err;
 
-	err = matrix_keypad_parse_of_params(dev, &rows, &columns);
+	err = matrix_keypad_parse_properties(dev, &rows, &columns);
 	if (err)
 		return err;
 	if (rows != columns) {

drivers/input/keyboard/maple_keyb.c

···
 	__clear_bit(KEY_RESERVED, idev->keybit);
 
 	input_set_capability(idev, EV_MSC, MSC_SCAN);
-	input_set_drvdata(idev, kbd);
 
 	error = input_register_device(idev);
 	if (error)

drivers/input/keyboard/matrix_keypad.c

···
 {
 	struct matrix_keypad *keypad = platform_get_drvdata(pdev);
 
-	device_init_wakeup(&pdev->dev, 0);
-
 	matrix_keypad_free_gpio(keypad);
 	input_unregister_device(keypad->input_dev);
 	kfree(keypad);

drivers/input/keyboard/max7359_keypad.c

···
 	/* Initialize MAX7359 */
 	max7359_initialize(client);
 
-	i2c_set_clientdata(client, keypad);
 	device_init_wakeup(&client->dev, 1);
 
 	return 0;

drivers/input/keyboard/mpr121_touchkey.c

···
  *
  */
 
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
 #include <linux/interrupt.h>
-#include <linux/i2c/mpr121_touchkey.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/property.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
 
 /* Register definitions */
 #define ELE_TOUCH_STATUS_0_ADDR	0x0
···
 struct mpr121_touchkey {
 	struct i2c_client	*client;
 	struct input_dev	*input_dev;
-	unsigned int		key_val;
 	unsigned int		statusbits;
 	unsigned int		keycount;
-	u16			keycodes[MPR121_MAX_KEY_COUNT];
+	u32			keycodes[MPR121_MAX_KEY_COUNT];
 };
 
 struct mpr121_init_register {
···
 	{ AUTO_CONFIG_CTRL_ADDR, 0x0b },
 };
 
+static void mpr121_vdd_supply_disable(void *data)
+{
+	struct regulator *vdd_supply = data;
+
+	regulator_disable(vdd_supply);
+}
+
+static struct regulator *mpr121_vdd_supply_init(struct device *dev)
+{
+	struct regulator *vdd_supply;
+	int err;
+
+	vdd_supply = devm_regulator_get(dev, "vdd");
+	if (IS_ERR(vdd_supply)) {
+		dev_err(dev, "failed to get vdd regulator: %ld\n",
+			PTR_ERR(vdd_supply));
+		return vdd_supply;
+	}
+
+	err = regulator_enable(vdd_supply);
+	if (err) {
+		dev_err(dev, "failed to enable vdd regulator: %d\n", err);
+		return ERR_PTR(err);
+	}
+
+	err = devm_add_action(dev, mpr121_vdd_supply_disable, vdd_supply);
+	if (err) {
+		regulator_disable(vdd_supply);
+		dev_err(dev, "failed to add disable regulator action: %d\n",
+			err);
+		return ERR_PTR(err);
+	}
+
+	return vdd_supply;
+}
+
 static irqreturn_t mpr_touchkey_interrupt(int irq, void *dev_id)
 {
 	struct mpr121_touchkey *mpr121 = dev_id;
 	struct i2c_client *client = mpr121->client;
 	struct input_dev *input = mpr121->input_dev;
-	unsigned int key_num, key_val, pressed;
+	unsigned long bit_changed;
+	unsigned int key_num;
 	int reg;
 
 	reg = i2c_smbus_read_byte_data(client, ELE_TOUCH_STATUS_1_ADDR);
···
 
 	reg &= TOUCH_STATUS_MASK;
 	/* use old press bit to figure out which bit changed */
-	key_num = ffs(reg ^ mpr121->statusbits) - 1;
-	pressed = reg & (1 << key_num);
+	bit_changed = reg ^ mpr121->statusbits;
 	mpr121->statusbits = reg;
+	for_each_set_bit(key_num, &bit_changed, mpr121->keycount) {
+		unsigned int key_val, pressed;
 
-	key_val = mpr121->keycodes[key_num];
+		pressed = reg & BIT(key_num);
+		key_val = mpr121->keycodes[key_num];
 
-	input_event(input, EV_MSC, MSC_SCAN, key_num);
-	input_report_key(input, key_val, pressed);
+		input_event(input, EV_MSC, MSC_SCAN, key_num);
+		input_report_key(input, key_val, pressed);
+
+		dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val,
+			pressed ? "pressed" : "released");
+
+	}
 	input_sync(input);
-
-	dev_dbg(&client->dev, "key %d %d %s\n", key_num, key_val,
-		pressed ? "pressed" : "released");
 
 out:
 	return IRQ_HANDLED;
 }
 
-static int mpr121_phys_init(const struct mpr121_platform_data *pdata,
-				      struct mpr121_touchkey *mpr121,
-				      struct i2c_client *client)
+static int mpr121_phys_init(struct mpr121_touchkey *mpr121,
+			    struct i2c_client *client, int vdd_uv)
 {
 	const struct mpr121_init_register *reg;
 	unsigned char usl, lsl, tl, eleconf;
···
 	/*
 	 * Capacitance on sensing input varies and needs to be compensated.
 	 * The internal MPR121-auto-configuration can do this if it's
-	 * registers are set properly (based on pdata->vdd_uv).
+	 * registers are set properly (based on vdd_uv).
 	 */
-	vdd = pdata->vdd_uv / 1000;
+	vdd = vdd_uv / 1000;
 	usl = ((vdd - 700) * 256) / vdd;
 	lsl = (usl * 65) / 100;
 	tl = (usl * 90) / 100;
···
 static int mpr_touchkey_probe(struct i2c_client *client,
 			      const struct i2c_device_id *id)
 {
-	const struct mpr121_platform_data *pdata =
-			dev_get_platdata(&client->dev);
+	struct device *dev = &client->dev;
+	struct regulator *vdd_supply;
+	int vdd_uv;
 	struct mpr121_touchkey *mpr121;
 	struct input_dev *input_dev;
 	int error;
 	int i;
 
-	if (!pdata) {
-		dev_err(&client->dev, "no platform data defined\n");
-		return -EINVAL;
-	}
-
-	if (!pdata->keymap || !pdata->keymap_size) {
-		dev_err(&client->dev, "missing keymap data\n");
-		return -EINVAL;
-	}
-
-	if (pdata->keymap_size > MPR121_MAX_KEY_COUNT) {
-		dev_err(&client->dev, "too many keys defined\n");
-		return -EINVAL;
-	}
-
 	if (!client->irq) {
-		dev_err(&client->dev, "irq number should not be zero\n");
+		dev_err(dev, "irq number should not be zero\n");
 		return -EINVAL;
 	}
 
-	mpr121 = devm_kzalloc(&client->dev, sizeof(*mpr121),
-			      GFP_KERNEL);
+	vdd_supply = mpr121_vdd_supply_init(dev);
+	if (IS_ERR(vdd_supply))
+		return PTR_ERR(vdd_supply);
+
+	vdd_uv = regulator_get_voltage(vdd_supply);
+
+	mpr121 = devm_kzalloc(dev, sizeof(*mpr121), GFP_KERNEL);
 	if (!mpr121)
 		return -ENOMEM;
 
-	input_dev = devm_input_allocate_device(&client->dev);
+	input_dev = devm_input_allocate_device(dev);
 	if (!input_dev)
 		return -ENOMEM;
 
 	mpr121->client = client;
 	mpr121->input_dev = input_dev;
-	mpr121->keycount = pdata->keymap_size;
+	mpr121->keycount = device_property_read_u32_array(dev, "linux,keycodes",
+							  NULL, 0);
+	if (mpr121->keycount > MPR121_MAX_KEY_COUNT) {
+		dev_err(dev, "too many keys defined (%d)\n", mpr121->keycount);
+		return -EINVAL;
+	}
+
+	error = device_property_read_u32_array(dev, "linux,keycodes",
+					       mpr121->keycodes,
+					       mpr121->keycount);
+	if (error) {
+		dev_err(dev,
+			"failed to read linux,keycode property: %d\n", error);
+		return error;
+	}
 
 	input_dev->name = "Freescale MPR121 Touchkey";
 	input_dev->id.bustype = BUS_I2C;
-	input_dev->dev.parent = &client->dev;
-	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+	input_dev->dev.parent = dev;
+	if (device_property_read_bool(dev, "autorepeat"))
+		__set_bit(EV_REP, input_dev->evbit);
+	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
 
 	input_dev->keycode = mpr121->keycodes;
 	input_dev->keycodesize = sizeof(mpr121->keycodes[0]);
 	input_dev->keycodemax = mpr121->keycount;
 
-	for (i = 0; i < pdata->keymap_size; i++) {
-		input_set_capability(input_dev, EV_KEY, pdata->keymap[i]);
-		mpr121->keycodes[i] = pdata->keymap[i];
-	}
+	for (i = 0; i < mpr121->keycount; i++)
+		input_set_capability(input_dev, EV_KEY, mpr121->keycodes[i]);
 
-	error = mpr121_phys_init(pdata, mpr121, client);
+	error = mpr121_phys_init(mpr121, client, vdd_uv);
 	if (error) {
-		dev_err(&client->dev, "Failed to init register\n");
+		dev_err(dev, "Failed to init register\n");
 		return error;
 	}
 
-	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
-				     mpr_touchkey_interrupt,
-				     IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				     client->dev.driver->name, mpr121);
+	error = devm_request_threaded_irq(dev, client->irq, NULL,
+					  mpr_touchkey_interrupt,
+					  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					  dev->driver->name, mpr121);
 	if (error) {
-		dev_err(&client->dev, "Failed to register interrupt\n");
+		dev_err(dev, "Failed to register interrupt\n");
 		return error;
 	}
 
···
 		return error;
 
 	i2c_set_clientdata(client, mpr121);
-	device_init_wakeup(&client->dev, pdata->wakeup);
+	device_init_wakeup(dev,
+			device_property_read_bool(dev, "wakeup-source"));
 
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int mpr_suspend(struct device *dev)
+static int __maybe_unused mpr_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 
···
 	return 0;
 }
 
-static int mpr_resume(struct device *dev)
+static int __maybe_unused mpr_resume(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct mpr121_touchkey *mpr121 = i2c_get_clientdata(client);
···
 
 	return 0;
 }
-#endif
 
 static SIMPLE_DEV_PM_OPS(mpr121_touchkey_pm_ops, mpr_suspend, mpr_resume);
 
···
 };
 MODULE_DEVICE_TABLE(i2c, mpr121_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id mpr121_touchkey_dt_match_table[] = {
+	{ .compatible = "fsl,mpr121-touchkey" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, mpr121_touchkey_dt_match_table);
+#endif
+
 static struct i2c_driver mpr_touchkey_driver = {
 	.driver = {
 		.name	= "mpr121",
 		.pm	= &mpr121_touchkey_pm_ops,
+		.of_match_table = of_match_ptr(mpr121_touchkey_dt_match_table),
 	},
 	.id_table	= mpr121_id,
 	.probe		= mpr_touchkey_probe,

drivers/input/keyboard/nspire-keypad.c

···
 		return error;
 	}
 
-	platform_set_drvdata(pdev, keypad);
-
 	dev_dbg(&pdev->dev,
 		"TI-NSPIRE keypad at %pR (scan_interval=%uus, row_delay=%uus%s)\n",
 		res, keypad->row_delay, keypad->scan_interval,

drivers/input/keyboard/omap4-keypad.c

···
 	struct device_node *np = dev->of_node;
 	int err;
 
-	err = matrix_keypad_parse_of_params(dev, &keypad_data->rows,
-					    &keypad_data->cols);
+	err = matrix_keypad_parse_properties(dev, &keypad_data->rows,
+					     &keypad_data->cols);
 	if (err)
 		return err;
 
···
 
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-	device_init_wakeup(&pdev->dev, false);
 	free_irq(keypad_data->irq, keypad_data);
 err_free_keymap:
 	kfree(keypad_data->keymap);
···
 	free_irq(keypad_data->irq, keypad_data);
 
 	pm_runtime_disable(&pdev->dev);
-
-	device_init_wakeup(&pdev->dev, false);
 
 	input_unregister_device(keypad_data->input);
 

drivers/input/keyboard/opencores-kbd.c

···
 	input->name = pdev->name;
 	input->phys = "opencores-kbd/input0";
 
-	input_set_drvdata(input, opencores_kbd);
-
 	input->id.bustype = BUS_HOST;
 	input->id.vendor = 0x0001;
 	input->id.product = 0x0001;
···
 		dev_err(&pdev->dev, "unable to register input device\n");
 		return error;
 	}
-
-	platform_set_drvdata(pdev, opencores_kbd);
 
 	return 0;
 }

drivers/input/keyboard/pmic8xxx-keypad.c

···
 	int rc;
 	unsigned int ctrl_val;
 
-	rc = matrix_keypad_parse_of_params(&pdev->dev, &rows, &cols);
+	rc = matrix_keypad_parse_properties(&pdev->dev, &rows, &cols);
 	if (rc)
 		return rc;
 

drivers/input/keyboard/pxa27x_keypad.c

···
 	u32 rows, cols;
 	int error;
 
-	error = matrix_keypad_parse_of_params(dev, &rows, &cols);
+	error = matrix_keypad_parse_properties(dev, &rows, &cols);
 	if (error)
 		return error;
 

drivers/input/keyboard/samsung-keypad.c

···
 
 err_disable_runtime_pm:
 	pm_runtime_disable(&pdev->dev);
-	device_init_wakeup(&pdev->dev, 0);
 err_unprepare_clk:
 	clk_unprepare(keypad->clk);
 	return error;
···
 	struct samsung_keypad *keypad = platform_get_drvdata(pdev);
 
 	pm_runtime_disable(&pdev->dev);
-	device_init_wakeup(&pdev->dev, 0);
 
 	input_unregister_device(keypad->input_dev);
 

drivers/input/keyboard/spear-keyboard.c

···
 	input_unregister_device(kbd->input);
 	clk_unprepare(kbd->clk);
 
-	device_init_wakeup(&pdev->dev, 0);
-
 	return 0;
 }
 

drivers/input/keyboard/st-keyscan.c

···
 	struct device_node *np = dev->of_node;
 	int error;
 
-	error = matrix_keypad_parse_of_params(dev, &keypad_data->n_rows,
-					      &keypad_data->n_cols);
+	error = matrix_keypad_parse_properties(dev, &keypad_data->n_rows,
+					       &keypad_data->n_cols);
 	if (error) {
 		dev_err(dev, "failed to parse keypad params\n");
 		return error;

drivers/input/keyboard/stmpe-keypad.c

···
 	input->id.bustype = BUS_I2C;
 	input->dev.parent = &pdev->dev;
 
-	error = matrix_keypad_parse_of_params(&pdev->dev, &rows, &cols);
+	error = matrix_keypad_parse_properties(&pdev->dev, &rows, &cols);
 	if (error)
 		return error;
 

drivers/input/keyboard/sun4i-lradc-keys.c

···
 	if (error)
 		return error;
 
-	platform_set_drvdata(pdev, lradc);
 	return 0;
 }
 

drivers/input/keyboard/tca8418_keypad.c

···
  * alternative licensing inquiries.
  */
 
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <linux/workqueue.h>
-#include <linux/gpio.h>
 #include <linux/i2c.h>
+#include <linux/init.h>
 #include <linux/input.h>
-#include <linux/input/tca8418_keypad.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/of.h>
+#include <linux/property.h>
+#include <linux/slab.h>
+#include <linux/types.h>
 
 /* TCA8418 hardware limits */
 #define TCA8418_MAX_ROWS	8
···
 }
 
 static int tca8418_keypad_probe(struct i2c_client *client,
-					  const struct i2c_device_id *id)
+				const struct i2c_device_id *id)
 {
 	struct device *dev = &client->dev;
-	const struct tca8418_keypad_platform_data *pdata =
-						dev_get_platdata(dev);
 	struct tca8418_keypad *keypad_data;
 	struct input_dev *input;
-	const struct matrix_keymap_data *keymap_data = NULL;
 	u32 rows = 0, cols = 0;
-	bool rep = false;
-	bool irq_is_gpio = false;
-	int irq;
 	int error, row_shift, max_keys;
 
-	/* Copy the platform data */
-	if (pdata) {
-		if (!pdata->keymap_data) {
-			dev_err(dev, "no keymap data defined\n");
-			return -EINVAL;
-		}
-		keymap_data = pdata->keymap_data;
-		rows = pdata->rows;
-		cols = pdata->cols;
-		rep  = pdata->rep;
-		irq_is_gpio = pdata->irq_is_gpio;
-	} else {
-		struct device_node *np = dev->of_node;
-		int err;
-
-		err = matrix_keypad_parse_of_params(dev, &rows, &cols);
-		if (err)
-			return err;
-		rep = of_property_read_bool(np, "keypad,autorepeat");
+	/* Check i2c driver capabilities */
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) {
+		dev_err(dev, "%s adapter not supported\n",
+			dev_driver_string(&client->adapter->dev));
+		return -ENODEV;
 	}
+
+	error = matrix_keypad_parse_properties(dev, &rows, &cols);
+	if (error)
+		return error;
 
 	if (!rows || rows > TCA8418_MAX_ROWS) {
 		dev_err(dev, "invalid rows\n");
···
 	if (!cols || cols > TCA8418_MAX_COLS) {
 		dev_err(dev, "invalid columns\n");
 		return -EINVAL;
-	}
-
-	/* Check i2c driver capabilities */
-	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE)) {
-		dev_err(dev, "%s adapter not supported\n",
-			dev_driver_string(&client->adapter->dev));
-		return -ENODEV;
 	}
 
 	row_shift = get_count_order(cols);
···
 	input->id.product = 0x001;
 	input->id.version = 0x0001;
 
-	error = matrix_keypad_build_keymap(keymap_data, NULL, rows, cols,
-					   NULL, input);
+	error = matrix_keypad_build_keymap(NULL, NULL, rows, cols, NULL, input);
 	if (error) {
 		dev_err(dev, "Failed to build keymap\n");
 		return error;
 	}
 
-	if (rep)
+	if (device_property_read_bool(dev, "keypad,autorepeat"))
 		__set_bit(EV_REP, input->evbit);
+
 	input_set_capability(input, EV_MSC, MSC_SCAN);
 
-	input_set_drvdata(input, keypad_data);
-
-	irq = client->irq;
-	if (irq_is_gpio)
-		irq = gpio_to_irq(irq);
-
-	error = devm_request_threaded_irq(dev, irq, NULL, tca8418_irq_handler,
-					  IRQF_TRIGGER_FALLING |
-						IRQF_SHARED |
-						IRQF_ONESHOT,
+	error = devm_request_threaded_irq(dev, client->irq,
+					  NULL, tca8418_irq_handler,
+					  IRQF_SHARED | IRQF_ONESHOT,
 					  client->name, keypad_data);
 	if (error) {
 		dev_err(dev, "Unable to claim irq %d; error %d\n",
···
 }
 
 static const struct i2c_device_id tca8418_id[] = {
-	{ TCA8418_NAME, 8418, },
+	{ "tca8418", 8418, },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, tca8418_id);
 
-#ifdef CONFIG_OF
 static const struct of_device_id tca8418_dt_ids[] = {
 	{ .compatible = "ti,tca8418", },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, tca8418_dt_ids);
 
-/*
- * The device tree based i2c loader looks for
- * "i2c:" + second_component_of(property("compatible"))
- * and therefore we need an alias to be found.
- */
-MODULE_ALIAS("i2c:tca8418");
-#endif
-
 static struct i2c_driver tca8418_keypad_driver = {
 	.driver = {
-		.name	= TCA8418_NAME,
-		.of_match_table = of_match_ptr(tca8418_dt_ids),
+		.name	= "tca8418_keypad",
+		.of_match_table = tca8418_dt_ids,
 	},
 	.probe		= tca8418_keypad_probe,
 	.id_table	= tca8418_id,

drivers/input/keyboard/tm2-touchkey.c

···
+/*
+ * TM2 touchkey device driver
+ *
+ * Copyright 2005 Phil Blundell
+ * Copyright 2016 Samsung Electronics Co., Ltd.
+ *
+ * Author: Beomho Seo <[e-mail]>
+ * Author: Jaechul Lee <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/pm.h>
+#include <linux/regulator/consumer.h>
+
+#define TM2_TOUCHKEY_DEV_NAME		"tm2-touchkey"
+#define TM2_TOUCHKEY_KEYCODE_REG	0x03
+#define TM2_TOUCHKEY_BASE_REG		0x00
+#define TM2_TOUCHKEY_CMD_LED_ON		0x10
+#define TM2_TOUCHKEY_CMD_LED_OFF	0x20
+#define TM2_TOUCHKEY_BIT_PRESS_EV	BIT(3)
+#define TM2_TOUCHKEY_BIT_KEYCODE	GENMASK(2, 0)
+#define TM2_TOUCHKEY_LED_VOLTAGE_MIN	2500000
+#define TM2_TOUCHKEY_LED_VOLTAGE_MAX	3300000
+
+enum {
+	TM2_TOUCHKEY_KEY_MENU = 0x1,
+	TM2_TOUCHKEY_KEY_BACK,
+};
+
+struct tm2_touchkey_data {
+	struct i2c_client *client;
+	struct input_dev *input_dev;
+	struct led_classdev led_dev;
+	struct regulator *vdd;
+	struct regulator_bulk_data regulators[2];
+};
+
+static void tm2_touchkey_led_brightness_set(struct led_classdev *led_dev,
+					    enum led_brightness brightness)
+{
+	struct tm2_touchkey_data *touchkey =
+		container_of(led_dev, struct tm2_touchkey_data, led_dev);
+	u32 volt;
+	u8 data;
+
+	if (brightness == LED_OFF) {
+		volt = TM2_TOUCHKEY_LED_VOLTAGE_MIN;
+		data = TM2_TOUCHKEY_CMD_LED_OFF;
+	} else {
+		volt = TM2_TOUCHKEY_LED_VOLTAGE_MAX;
+		data = TM2_TOUCHKEY_CMD_LED_ON;
+	}
+
+	regulator_set_voltage(touchkey->vdd, volt, volt);
+	i2c_smbus_write_byte_data(touchkey->client,
+				  TM2_TOUCHKEY_BASE_REG, data);
+}
+
+static int tm2_touchkey_power_enable(struct tm2_touchkey_data *touchkey)
+{
+	int error;
+
+	error = regulator_bulk_enable(ARRAY_SIZE(touchkey->regulators),
+				      touchkey->regulators);
+	if (error)
+		return error;
+
+	/* waiting for device initialization, at least 150ms */
+	msleep(150);
+
+	return 0;
+}
+
+static void tm2_touchkey_power_disable(void *data)
+{
+	struct tm2_touchkey_data *touchkey = data;
+
+	regulator_bulk_disable(ARRAY_SIZE(touchkey->regulators),
+			       touchkey->regulators);
+}
+
+static irqreturn_t tm2_touchkey_irq_handler(int irq, void *devid)
+{
+	struct tm2_touchkey_data *touchkey = devid;
+	int data;
+	int key;
+
+	data = i2c_smbus_read_byte_data(touchkey->client,
+					TM2_TOUCHKEY_KEYCODE_REG);
+	if (data < 0) {
+		dev_err(&touchkey->client->dev,
+			"failed to read i2c data: %d\n", data);
+		goto out;
+	}
+
+	switch (data & TM2_TOUCHKEY_BIT_KEYCODE) {
+	case TM2_TOUCHKEY_KEY_MENU:
+		key = KEY_PHONE;
+		break;
+
+	case TM2_TOUCHKEY_KEY_BACK:
+		key = KEY_BACK;
+		break;
+
+	default:
+		dev_warn(&touchkey->client->dev,
+			 "unhandled keycode, data %#02x\n", data);
+		goto out;
+	}
+
+	if (data & TM2_TOUCHKEY_BIT_PRESS_EV) {
+		input_report_key(touchkey->input_dev, KEY_PHONE, 0);
+		input_report_key(touchkey->input_dev, KEY_BACK, 0);
+	} else {
+		input_report_key(touchkey->input_dev, key, 1);
+	}
+
+	input_sync(touchkey->input_dev);
+
+out:
+	return IRQ_HANDLED;
+}
+
+static int tm2_touchkey_probe(struct i2c_client *client,
+			      const struct i2c_device_id *id)
+{
+	struct tm2_touchkey_data *touchkey;
+	int error;
+
+	if (!i2c_check_functionality(client->adapter,
+			I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA)) {
+		dev_err(&client->dev, "incompatible I2C adapter\n");
+		return -EIO;
+	}
+
+	touchkey = devm_kzalloc(&client->dev, sizeof(*touchkey), GFP_KERNEL);
+	if (!touchkey)
+		return -ENOMEM;
+
+	touchkey->client = client;
+	i2c_set_clientdata(client, touchkey);
+
+	touchkey->regulators[0].supply = "vcc";
+	touchkey->regulators[1].supply = "vdd";
+	error = devm_regulator_bulk_get(&client->dev,
+					ARRAY_SIZE(touchkey->regulators),
+					touchkey->regulators);
+	if (error) {
+		dev_err(&client->dev, "failed to get regulators: %d\n", error);
+		return error;
+	}
+
+	/* Save VDD for easy access */
+	touchkey->vdd = touchkey->regulators[1].consumer;
+
+	error = tm2_touchkey_power_enable(touchkey);
+	if (error) {
+		dev_err(&client->dev, "failed to power up device: %d\n", error);
+		return error;
+	}
+
+	error = devm_add_action_or_reset(&client->dev,
+					 tm2_touchkey_power_disable, touchkey);
+	if (error) {
+		dev_err(&client->dev,
+			"failed to install poweroff handler: %d\n", error);
+		return error;
+	}
+
+	/* input device */
+	touchkey->input_dev = devm_input_allocate_device(&client->dev);
+	if (!touchkey->input_dev) {
+		dev_err(&client->dev, "failed to allocate input device\n");
+		return -ENOMEM;
+	}
+
+	touchkey->input_dev->name = TM2_TOUCHKEY_DEV_NAME;
+	touchkey->input_dev->id.bustype = BUS_I2C;
+
+	input_set_capability(touchkey->input_dev, EV_KEY, KEY_PHONE);
+	input_set_capability(touchkey->input_dev, EV_KEY, KEY_BACK);
+
+	error = input_register_device(touchkey->input_dev);
+	if (error) {
+		dev_err(&client->dev,
+			"failed to register input device: %d\n", error);
+		return error;
+	}
+
+	error = devm_request_threaded_irq(&client->dev, client->irq,
+					  NULL, tm2_touchkey_irq_handler,
+					  IRQF_ONESHOT,
+					  TM2_TOUCHKEY_DEV_NAME, touchkey);
+	if (error) {
+		dev_err(&client->dev,
+			"failed to request threaded irq: %d\n", error);
+		return error;
+	}
+
+	/* led device */
+	touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME;
+	touchkey->led_dev.brightness = LED_FULL;
+	touchkey->led_dev.max_brightness = LED_FULL;
+	touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set;
+
+	error = devm_led_classdev_register(&client->dev, &touchkey->led_dev);
+	if (error) {
+		dev_err(&client->dev,
+			"failed to register touchkey led: %d\n", error);
+		return error;
+	}
+
+	return 0;
+}
+
+static int __maybe_unused tm2_touchkey_suspend(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct tm2_touchkey_data *touchkey = i2c_get_clientdata(client);
+
+	disable_irq(client->irq);
+	tm2_touchkey_power_disable(touchkey);
+
+	return 0;
+}
+
+static int __maybe_unused tm2_touchkey_resume(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct tm2_touchkey_data *touchkey = i2c_get_clientdata(client);
+	int ret;
+
+	enable_irq(client->irq);
+
+	ret = tm2_touchkey_power_enable(touchkey);
+	if (ret)
+		dev_err(dev, "failed to enable power: %d\n", ret);
+
+	return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(tm2_touchkey_pm_ops,
+			 tm2_touchkey_suspend, tm2_touchkey_resume);
+
+static const struct i2c_device_id tm2_touchkey_id_table[] = {
+	{ TM2_TOUCHKEY_DEV_NAME, 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, tm2_touchkey_id_table);
+
+static const struct of_device_id tm2_touchkey_of_match[] = {
+	{ .compatible = "cypress,tm2-touchkey", },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, tm2_touchkey_of_match);
+
+static struct i2c_driver tm2_touchkey_driver = {
+	.driver = {
+		.name = TM2_TOUCHKEY_DEV_NAME,
+		.pm = &tm2_touchkey_pm_ops,
+		.of_match_table = of_match_ptr(tm2_touchkey_of_match),
+	},
+	.probe = tm2_touchkey_probe,
+	.id_table = tm2_touchkey_id_table,
+};
+module_i2c_driver(tm2_touchkey_driver);
+
+MODULE_AUTHOR("Beomho Seo <[e-mail]>");
+MODULE_AUTHOR("Jaechul Lee <[e-mail]>");
+MODULE_DESCRIPTION("Samsung touchkey driver");
+MODULE_LICENSE("GPL v2");

drivers/input/keyboard/twl4030_keypad.c

···
 		kp->autorepeat = pdata->rep;
 		keymap_data = pdata->keymap_data;
 	} else {
-		error = matrix_keypad_parse_of_params(&pdev->dev, &kp->n_rows,
-						      &kp->n_cols);
+		error = matrix_keypad_parse_properties(&pdev->dev, &kp->n_rows,
+						       &kp->n_cols);
 		if (error)
 			return error;
 
···
 		return -EIO;
 	}
 
-	platform_set_drvdata(pdev, kp);
 	return 0;
 }
 

drivers/input/matrix-keymap.c

···
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- *
  */
 
 #include <linux/device.h>
-#include <linux/gfp.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/input.h>
-#include <linux/of.h>
 #include <linux/export.h>
-#include <linux/module.h>
+#include <linux/gfp.h>
+#include <linux/input.h>
 #include <linux/input/matrix_keypad.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/property.h>
+#include <linux/slab.h>
+#include <linux/types.h>
 
 static bool matrix_keypad_map_key(struct input_dev *input_dev,
 				  unsigned int rows, unsigned int cols,
···
 	return true;
 }
 
-#ifdef CONFIG_OF
-int matrix_keypad_parse_of_params(struct device *dev,
-				  unsigned int *rows, unsigned int *cols)
+/**
+ * matrix_keypad_parse_properties() - Read properties of matrix keypad
+ *
+ * @dev: Device containing properties
+ * @rows: Returns number of matrix rows
+ * @cols: Returns number of matrix columns
+ * @return 0 if OK, <0 on error
+ */
+int matrix_keypad_parse_properties(struct device *dev,
+				   unsigned int *rows, unsigned int *cols)
 {
-	struct device_node *np = dev->of_node;
+	*rows = *cols = 0;
 
-	if (!np) {
-		dev_err(dev, "missing DT data");
-		return -EINVAL;
-	}
-	of_property_read_u32(np, "keypad,num-rows", rows);
-	of_property_read_u32(np, "keypad,num-columns", cols);
+	device_property_read_u32(dev, "keypad,num-rows", rows);
+	device_property_read_u32(dev, "keypad,num-columns", cols);
+
 	if (!*rows || !*cols) {
 		dev_err(dev, "number of keypad rows/columns not specified\n");
 		return -EINVAL;
···
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(matrix_keypad_parse_of_params);
+EXPORT_SYMBOL_GPL(matrix_keypad_parse_properties);
 
-static int matrix_keypad_parse_of_keymap(const char *propname,
-					 unsigned int rows, unsigned int cols,
-					 struct input_dev *input_dev)
+static int matrix_keypad_parse_keymap(const char *propname,
+				      unsigned int rows, unsigned int cols,
+				      struct input_dev *input_dev)
 {
 	struct device *dev = input_dev->dev.parent;
-	struct device_node *np = dev->of_node;
 	unsigned int row_shift = get_count_order(cols);
 	unsigned int max_keys = rows << row_shift;
-	unsigned int proplen, i, size;
-	const __be32 *prop;
-
-	if (!np)
-		return -ENOENT;
+	u32 *keys;
+	int i;
+	int size;
+	int retval;
 
 	if (!propname)
 		propname = "linux,keymap";
 
-	prop = of_get_property(np, propname, &proplen);
-	if (!prop) {
-		dev_err(dev, "OF: %s property not defined in %s\n",
-			propname, np->full_name);
-		return -ENOENT;
+	size = device_property_read_u32_array(dev, propname, NULL, 0);
+	if (size <= 0) {
+		dev_err(dev, "missing or malformed property %s: %d\n",
+			propname, size);
+		return size < 0 ? size : -EINVAL;
 	}
 
-	if (proplen % sizeof(u32)) {
-		dev_err(dev, "OF: Malformed keycode property %s in %s\n",
-			propname, np->full_name);
-		return -EINVAL;
-	}
-
-	size = proplen / sizeof(u32);
 	if (size > max_keys) {
-		dev_err(dev, "OF: %s size overflow\n", propname);
+		dev_err(dev, "%s size overflow (%d vs max %u)\n",
+			propname, size, max_keys);
 		return -EINVAL;
+	}
+
+	keys = kmalloc_array(size, sizeof(u32), GFP_KERNEL);
+	if (!keys)
+		return -ENOMEM;
+
+	retval = device_property_read_u32_array(dev, propname, keys, size);
+	if (retval) {
+		dev_err(dev, "failed to read %s property: %d\n",
+			propname, retval);
+		goto out;
 	}
 
 	for (i = 0; i < size; i++) {
-		unsigned int key = be32_to_cpup(prop + i);
-
 		if (!matrix_keypad_map_key(input_dev, rows, cols,
-					   row_shift, key))
-			return -EINVAL;
+					   row_shift, keys[i])) {
+			retval = -EINVAL;
+			goto out;
+		}
 	}
 
-	return 0;
+	retval = 0;
+
+out:
+	kfree(keys);
+	return retval;
 }
-#else
-static int matrix_keypad_parse_of_keymap(const char *propname,
-					 unsigned int rows, unsigned int cols,
-					 struct input_dev *input_dev)
-{
-	return -ENOSYS;
-}
-#endif
 
 /**
  * matrix_keypad_build_keymap - convert platform keymap into matrix keymap
···
 				return -EINVAL;
 		}
 	} else {
-		error = matrix_keypad_parse_of_keymap(keymap_name, rows, cols,
-						      input_dev);
+		error = matrix_keypad_parse_keymap(keymap_name, rows, cols,
+						   input_dev);
 		if (error)
 			return error;
 	}

drivers/input/misc/88pm80x_onkey.c

···
 {
 	struct pm80x_onkey_info *info = platform_get_drvdata(pdev);
 
-	device_init_wakeup(&pdev->dev, 0);
 	pm80x_free_irq(info->pm80x, info->irq, info);
 	input_unregister_device(info->idev);
 	kfree(info);

drivers/input/misc/Kconfig

···
 	  To compile this driver as a module, choose M here: the
 	  module will be called mma8450.
 
-config INPUT_MPU3050
-	tristate "MPU3050 Triaxial gyroscope sensor"
-	depends on I2C
-	help
-	  Say Y here if you want to support InvenSense MPU3050
-	  connected via an I2C bus.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called mpu3050.
-
 config INPUT_APANEL
 	tristate "Fujitsu Lifebook Application Panel buttons"
 	depends on X86 && I2C && LEDS_CLASS

drivers/input/misc/Makefile

···
 obj-$(CONFIG_INPUT_MAX8997_HAPTIC)	+= max8997_haptic.o
 obj-$(CONFIG_INPUT_MC13783_PWRBUTTON)	+= mc13783-pwrbutton.o
 obj-$(CONFIG_INPUT_MMA8450)		+= mma8450.o
-obj-$(CONFIG_INPUT_MPU3050)		+= mpu3050.o
 obj-$(CONFIG_INPUT_PALMAS_PWRBUTTON)	+= palmas-pwrbutton.o
 obj-$(CONFIG_INPUT_PCAP)		+= pcap_keys.o
 obj-$(CONFIG_INPUT_PCF50633_PMU)	+= pcf50633-input.o

drivers/input/misc/ab8500-ponkey.c

···
 		return error;
 	}
 
-	platform_set_drvdata(pdev, ponkey);
 	return 0;
 }
 

drivers/input/misc/arizona-haptics.c

···
 		return ret;
 	}
 
-	platform_set_drvdata(pdev, haptics);
-
 	return 0;
 }
 

drivers/input/misc/atmel_captouch.c

···
 		return -ENOMEM;
 
 	capdev->client = client;
-	i2c_set_clientdata(client, capdev);
 
 	err = atmel_read(capdev, REG_KEY_STATE,
 			    &capdev->prev_btn, sizeof(capdev->prev_btn));

drivers/input/misc/bfin_rotary.c

···
 
 	if (pdata->pin_list) {
 		error = peripheral_request_list(pdata->pin_list,
-						dev_name(&pdev->dev));
+						dev_name(dev));
 		if (error) {
 			dev_err(dev, "requesting peripherals failed: %d\n",
 				error);
 			return error;
 		}
 
-		error = devm_add_action(dev, bfin_rotary_free_action,
-					pdata->pin_list);
+		error = devm_add_action_or_reset(dev, bfin_rotary_free_action,
+						 pdata->pin_list);
 		if (error) {
 			dev_err(dev, "setting cleanup action failed: %d\n",
 				error);
-			peripheral_free_list(pdata->pin_list);
 			return error;
 		}
 	}
···
 
 	input->name = pdev->name;
 	input->phys = "bfin-rotary/input0";
-	input->dev.parent = &pdev->dev;
+	input->dev.parent = dev;
 
 	input_set_drvdata(input, rotary);
 
···
 	}
 
 	platform_set_drvdata(pdev, rotary);
-	device_init_wakeup(&pdev->dev, 1);
+	device_init_wakeup(dev, 1);
 
 	return 0;
 }

drivers/input/misc/bma150.c

···
 		return error;
 
 	if (mode == BMA150_MODE_NORMAL)
-		msleep(2);
+		usleep_range(2000, 2100);
 
 	bma150->mode = mode;
 	return 0;
···
 	if (error)
 		return error;
 
-	msleep(2);
+	usleep_range(2000, 2100);
 	return 0;
 }
 

drivers/input/misc/da9063_onkey.c

···
 		return error;
 	}
 
-	platform_set_drvdata(pdev, onkey);
 	return 0;
 }
 

drivers/input/misc/dm355evm_keys.c

···
 		goto fail1;
 	keys->irq = status;
 
-	input_set_drvdata(input, keys);
-
 	input->name = "DM355 EVM Controls";
 	input->phys = "dm355evm/input0";
 	input->dev.parent = &pdev->dev;

drivers/input/misc/drv260x.c

···
 
 	haptics->input_dev = devm_input_allocate_device(dev);
 	if (!haptics->input_dev) {
-		dev_err(&client->dev, "Failed to allocate input device\n");
+		dev_err(dev, "Failed to allocate input device\n");
 		return -ENOMEM;
 	}
 

drivers/input/misc/e3x0-button.c

···
 		return error;
 	}
 
-	platform_set_drvdata(pdev, input);
 	device_init_wakeup(&pdev->dev, 1);
-	return 0;
-}
-
-static int e3x0_button_remove(struct platform_device *pdev)
-{
-	device_init_wakeup(&pdev->dev, 0);
 	return 0;
 }
 
···
 		.pm	= &e3x0_button_pm_ops,
 	},
 	.probe		= e3x0_button_probe,
-	.remove		= e3x0_button_remove,
 };
 
 module_platform_driver(e3x0_button_driver);

drivers/input/misc/gp2ap002a00f.c

···
 	struct gp2a_data *dt = i2c_get_clientdata(client);
 	const struct gp2a_platform_data *pdata = dt->pdata;
 
-	device_init_wakeup(&client->dev, false);
-
 	free_irq(client->irq, dt);
 
 	input_unregister_device(dt->input);

drivers/input/misc/gpio_decoder.c

···
 		dev_err(dev, "failed to register polled  device\n");
 		return err;
 	}
-	platform_set_drvdata(pdev, decoder);
 
 	return 0;
 }

drivers/input/misc/gpio_tilt_polled.c

···
 
 	input->name = pdev->name;
 	input->phys = DRV_NAME"/input0";
-	input->dev.parent = &pdev->dev;
+	input->dev.parent = dev;
 
 	input->id.bustype = BUS_HOST;
 	input->id.vendor = 0x0001;

drivers/input/misc/hisi_powerkey.c

···
 	struct input_dev *input;
 	int irq, i, error;
 
-	input = devm_input_allocate_device(&pdev->dev);
+	input = devm_input_allocate_device(dev);
 	if (!input) {
-		dev_err(&pdev->dev, "failed to allocate input device\n");
+		dev_err(dev, "failed to allocate input device\n");
 		return -ENOMEM;
 	}
 
···
 
 	error = input_register_device(input);
 	if (error) {
-		dev_err(&pdev->dev, "failed to register input device: %d\n",
-			error);
+		dev_err(dev, "failed to register input device: %d\n", error);
 		return error;
 	}
 
-	device_init_wakeup(&pdev->dev, 1);
-
-	return 0;
-}
-
-static int hi65xx_powerkey_remove(struct platform_device *pdev)
-{
-	device_init_wakeup(&pdev->dev, 0);
+	device_init_wakeup(dev, 1);
 
 	return 0;
 }
···
 		.name = "hi65xx-powerkey",
 	},
 	.probe = hi65xx_powerkey_probe,
-	.remove  = hi65xx_powerkey_remove,
 };
 module_platform_driver(hi65xx_powerkey_driver);
 

drivers/input/misc/mma8450.c

···
 		return err;
 	}
 
-	i2c_set_clientdata(c, m);
-
 	return 0;
 }
 

drivers/input/misc/mpu3050.c

···
-/*
- * MPU3050 Tri-axis gyroscope driver
- *
- * Copyright (C) 2011 Wistron Co.Ltd
- * Joseph Lai <[e-mail]>
- *
- * Trimmed down by Alan Cox <[e-mail]> to produce this version
- *
- * This is a 'lite' version of the driver, while we consider the right way
- * to present the other features to user space. In particular it requires the
- * device has an IRQ, and it only provides an input interface, so is not much
- * use for device orientation. A fuller version is available from the Meego
- * tree.
- *
- * This program is based on bma023.c.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/err.h>
-#include <linux/i2c.h>
-#include <linux/input.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/pm_runtime.h>
-
-#define MPU3050_CHIP_ID		0x69
-
-#define MPU3050_AUTO_DELAY	1000
-
-#define MPU3050_MIN_VALUE	-32768
-#define MPU3050_MAX_VALUE	32767
-
-#define MPU3050_DEFAULT_POLL_INTERVAL	200
-#define MPU3050_DEFAULT_FS_RANGE	3
-
-/* Register map */
-#define MPU3050_CHIP_ID_REG	0x00
-#define MPU3050_SMPLRT_DIV	0x15
-#define MPU3050_DLPF_FS_SYNC	0x16
-#define MPU3050_INT_CFG		0x17
-#define MPU3050_XOUT_H		0x1D
-#define MPU3050_PWR_MGM		0x3E
-#define MPU3050_PWR_MGM_POS	6
-
-/* Register bits */
-
-/* DLPF_FS_SYNC */
-#define MPU3050_EXT_SYNC_NONE		0x00
-#define MPU3050_EXT_SYNC_TEMP		0x20
-#define MPU3050_EXT_SYNC_GYROX		0x40
-#define MPU3050_EXT_SYNC_GYROY		0x60
-#define MPU3050_EXT_SYNC_GYROZ		0x80
-#define MPU3050_EXT_SYNC_ACCELX	0xA0
-#define MPU3050_EXT_SYNC_ACCELY	0xC0
-#define MPU3050_EXT_SYNC_ACCELZ	0xE0
-#define MPU3050_EXT_SYNC_MASK		0xE0
-#define MPU3050_FS_250DPS		0x00
-#define MPU3050_FS_500DPS		0x08
-#define MPU3050_FS_1000DPS		0x10
-#define MPU3050_FS_2000DPS		0x18
-#define MPU3050_FS_MASK		0x18
-#define MPU3050_DLPF_CFG_256HZ_NOLPF2	0x00
-#define MPU3050_DLPF_CFG_188HZ		0x01
-#define MPU3050_DLPF_CFG_98HZ		0x02
-#define MPU3050_DLPF_CFG_42HZ		0x03
-#define MPU3050_DLPF_CFG_20HZ		0x04
-#define MPU3050_DLPF_CFG_10HZ		0x05
-#define MPU3050_DLPF_CFG_5HZ		0x06
-#define MPU3050_DLPF_CFG_2100HZ_NOLPF	0x07
-#define MPU3050_DLPF_CFG_MASK		0x07
-/* INT_CFG */
-#define MPU3050_RAW_RDY_EN		0x01
-#define MPU3050_MPU_RDY_EN		0x02
-#define MPU3050_LATCH_INT_EN		0x04
-/* PWR_MGM */
-#define MPU3050_PWR_MGM_PLL_X		0x01
-#define MPU3050_PWR_MGM_PLL_Y		0x02
-#define MPU3050_PWR_MGM_PLL_Z		0x03
-#define MPU3050_PWR_MGM_CLKSEL		0x07
-#define MPU3050_PWR_MGM_STBY_ZG	0x08
-#define MPU3050_PWR_MGM_STBY_YG	0x10
-#define MPU3050_PWR_MGM_STBY_XG	0x20
-#define MPU3050_PWR_MGM_SLEEP		0x40
-#define MPU3050_PWR_MGM_RESET		0x80
-#define MPU3050_PWR_MGM_MASK		0x40
-
-struct axis_data {
-	s16 x;
-	s16 y;
-	s16 z;
-};
-
-struct mpu3050_sensor {
-	struct i2c_client *client;
-	struct device *dev;
-	struct input_dev *idev;
-};
-
-/**
- *	mpu3050_xyz_read_reg	-	read the axes values
- *	@buffer: provide register addr and get register
- *	@length: length of register
- *
- *	Reads the register values in one transaction or returns a negative
- *	error code on failure.
- */
-static int mpu3050_xyz_read_reg(struct i2c_client *client,
-			       u8 *buffer, int length)
-{
-	/*
-	 * Annoying we can't make this const because the i2c layer doesn't
-	 * declare input buffers const.
-	 */
-	char cmd = MPU3050_XOUT_H;
-	struct i2c_msg msg[] = {
-		{
-			.addr = client->addr,
-			.flags = 0,
-			.len = 1,
-			.buf = &cmd,
-		},
-		{
-			.addr = client->addr,
-			.flags = I2C_M_RD,
-			.len = length,
-			.buf = buffer,
-		},
-	};
-
-	return i2c_transfer(client->adapter, msg, 2);
-}
-
-/**
- *	mpu3050_read_xyz	-	get co-ordinates from device
- *	@client: i2c address of sensor
- *	@coords: co-ordinates to update
- *
- *	Return the converted X Y and Z co-ordinates from the sensor device
- */
-static void mpu3050_read_xyz(struct i2c_client *client,
-			     struct axis_data *coords)
-{
-	u16 buffer[3];
-
-	mpu3050_xyz_read_reg(client, (u8 *)buffer, 6);
-	coords->x = be16_to_cpu(buffer[0]);
-	coords->y = be16_to_cpu(buffer[1]);
-	coords->z = be16_to_cpu(buffer[2]);
-	dev_dbg(&client->dev, "%s: x %d, y %d, z %d\n", __func__,
-					coords->x, coords->y, coords->z);
-}
-
-/**
- *	mpu3050_set_power_mode	-	set the power mode
- *	@client: i2c client for the sensor
- *	@val: value to switch on/off of power, 1: normal power, 0: low power
- *
- *	Put device to normal-power mode or low-power mode.
- */
-static void mpu3050_set_power_mode(struct i2c_client *client, u8 val)
-{
-	u8 value;
-
-	value = i2c_smbus_read_byte_data(client, MPU3050_PWR_MGM);
-	value = (value & ~MPU3050_PWR_MGM_MASK) |
-		(((val << MPU3050_PWR_MGM_POS) & MPU3050_PWR_MGM_MASK) ^
-		 MPU3050_PWR_MGM_MASK);
-	i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM, value);
-}
-
-/**
- *	mpu3050_input_open	-	called on input event open
- *	@input: input dev of opened device
- *
- *	The input layer calls this function when input event is opened. The
- *	function will push the device to resume. Then, the device is ready
- *	to provide data.
- */
-static int mpu3050_input_open(struct input_dev *input)
-{
-	struct mpu3050_sensor *sensor = input_get_drvdata(input);
-	int error;
-
-	pm_runtime_get(sensor->dev);
-
-	/* Enable interrupts */
-	error = i2c_smbus_write_byte_data(sensor->client, MPU3050_INT_CFG,
-					  MPU3050_LATCH_INT_EN |
-					  MPU3050_RAW_RDY_EN |
-					  MPU3050_MPU_RDY_EN);
-	if (error < 0) {
-		pm_runtime_put(sensor->dev);
-		return error;
-	}
-
-	return 0;
-}
-
-/**
- *	mpu3050_input_close	-	called on input event close
- *	@input: input dev of closed device
- *
- *	The input layer calls this function when input event is closed. The
- *	function will push the device to suspend.
- */
-static void mpu3050_input_close(struct input_dev *input)
-{
-	struct mpu3050_sensor *sensor = input_get_drvdata(input);
-
-	pm_runtime_put(sensor->dev);
-}
-
-/**
- *	mpu3050_interrupt_thread	-	handle an IRQ
- *	@irq: interrupt numner
- *	@data: the sensor
- *
- *	Called by the kernel single threaded after an interrupt occurs. Read
- *	the sensor data and generate an input event for it.
- */
-static irqreturn_t mpu3050_interrupt_thread(int irq, void *data)
-{
-	struct mpu3050_sensor *sensor = data;
-	struct axis_data axis;
-
-	mpu3050_read_xyz(sensor->client, &axis);
-
-	input_report_abs(sensor->idev, ABS_X, axis.x);
-	input_report_abs(sensor->idev, ABS_Y, axis.y);
-	input_report_abs(sensor->idev, ABS_Z, axis.z);
-	input_sync(sensor->idev);
-
-	return IRQ_HANDLED;
-}
-
-/**
- *	mpu3050_hw_init	-	initialize hardware
- *	@sensor: the sensor
- *
- *	Called during device probe; configures the sampling method.
- */
-static int mpu3050_hw_init(struct mpu3050_sensor *sensor)
-{
-	struct i2c_client *client = sensor->client;
-	int ret;
-	u8 reg;
-
-	/* Reset */
-	ret = i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM,
-					MPU3050_PWR_MGM_RESET);
-	if (ret < 0)
-		return ret;
-
-	ret = i2c_smbus_read_byte_data(client, MPU3050_PWR_MGM);
-	if (ret < 0)
-		return ret;
-
-	ret &= ~MPU3050_PWR_MGM_CLKSEL;
-	ret |= MPU3050_PWR_MGM_PLL_Z;
-	ret = i2c_smbus_write_byte_data(client, MPU3050_PWR_MGM, ret);
-	if (ret < 0)
-		return ret;
-
-	/* Output frequency divider. The poll interval */
-	ret = i2c_smbus_write_byte_data(client, MPU3050_SMPLRT_DIV,
-					MPU3050_DEFAULT_POLL_INTERVAL - 1);
-	if (ret < 0)
-		return ret;
-
-	/* Set low pass filter and full scale */
-	reg = MPU3050_DEFAULT_FS_RANGE;
-	reg |= MPU3050_DLPF_CFG_42HZ << 3;
-	reg |= MPU3050_EXT_SYNC_NONE << 5;
-	ret = i2c_smbus_write_byte_data(client, MPU3050_DLPF_FS_SYNC, reg);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-/**
- *	mpu3050_probe	-	device detection callback
- *	@client: i2c client of found device
- *	@id: id match information
- *
- *	The I2C layer calls us when it believes a sensor is present at this
- *	address. Probe to see if this is correct and to validate the device.
- *
- *	If present install the relevant sysfs interfaces and input device.
- */
-static int mpu3050_probe(struct i2c_client *client,
-				   const struct i2c_device_id *id)
-{
-	struct mpu3050_sensor *sensor;
-	struct input_dev *idev;
-	int ret;
-	int error;
-
-	sensor = kzalloc(sizeof(struct mpu3050_sensor), GFP_KERNEL);
-	idev = input_allocate_device();
-	if (!sensor || !idev) {
-		dev_err(&client->dev, "failed to allocate driver data\n");
-		error = -ENOMEM;
-		goto err_free_mem;
-	}
-
-	sensor->client = client;
-	sensor->dev = &client->dev;
-	sensor->idev = idev;
-
-	mpu3050_set_power_mode(client, 1);
-	msleep(10);
-
-	ret = i2c_smbus_read_byte_data(client, MPU3050_CHIP_ID_REG);
-	if (ret < 0) {
-		dev_err(&client->dev, "failed to detect device\n");
-		error = -ENXIO;
-		goto err_free_mem;
-	}
-
-	if (ret != MPU3050_CHIP_ID) {
-		dev_err(&client->dev, "unsupported chip id\n");
-		error = -ENXIO;
-		goto err_free_mem;
-	}
-
-	idev->name = "MPU3050";
-	idev->id.bustype = BUS_I2C;
-	idev->dev.parent = &client->dev;
-
-	idev->open = mpu3050_input_open;
-	idev->close = mpu3050_input_close;
-
-	__set_bit(EV_ABS, idev->evbit);
-	input_set_abs_params(idev, ABS_X,
-			     MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0);
-	input_set_abs_params(idev, ABS_Y,
-			     MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0);
-	input_set_abs_params(idev, ABS_Z,
-			     MPU3050_MIN_VALUE, MPU3050_MAX_VALUE, 0, 0);
-
-	input_set_drvdata(idev, sensor);
-
-	pm_runtime_set_active(&client->dev);
-
-	error = mpu3050_hw_init(sensor);
-	if (error)
-		goto err_pm_set_suspended;
-
-	error = request_threaded_irq(client->irq,
-				     NULL, mpu3050_interrupt_thread,
-				     IRQF_TRIGGER_RISING | IRQF_ONESHOT,
-				     "mpu3050", sensor);
-	if (error) {
-		dev_err(&client->dev,
-			"can't get IRQ %d, error %d\n", client->irq, error);
-		goto err_pm_set_suspended;
-	}
-
-	error = input_register_device(idev);
-	if (error) {
-		dev_err(&client->dev, "failed to register input device\n");
-		goto err_free_irq;
-	}
-
-	pm_runtime_enable(&client->dev);
-	pm_runtime_set_autosuspend_delay(&client->dev, MPU3050_AUTO_DELAY);
-	i2c_set_clientdata(client, sensor);
-
-	return 0;
-
-err_free_irq:
-	free_irq(client->irq, sensor);
-err_pm_set_suspended:
-	pm_runtime_set_suspended(&client->dev);
-err_free_mem:
-	input_free_device(idev);
-	kfree(sensor);
-	return error;
-}
-
-/**
- *	mpu3050_remove	-	remove a sensor
- *	@client: i2c client of sensor being removed
- *
- *	Our sensor is going away, clean up the resources.
- */
-static int mpu3050_remove(struct i2c_client *client)
-{
-	struct mpu3050_sensor *sensor = i2c_get_clientdata(client);
-
-	pm_runtime_disable(&client->dev);
-	pm_runtime_set_suspended(&client->dev);
-
-	free_irq(client->irq, sensor);
-	input_unregister_device(sensor->idev);
-	kfree(sensor);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-/**
- *	mpu3050_suspend		-	called on device suspend
- *	@dev: device being suspended
- *
- *	Put the device into sleep mode before we suspend the machine.
- */
-static int mpu3050_suspend(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-
-	mpu3050_set_power_mode(client, 0);
-
-	return 0;
-}
-
-/**
- *	mpu3050_resume		-	called on device resume
- *	@dev: device being resumed
- *
- *	Put the device into powered mode on resume.
- */
-static int mpu3050_resume(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-
-	mpu3050_set_power_mode(client, 1);
-	msleep(100);  /* wait for gyro chip resume */
-
-	return 0;
-}
-#endif
-
-static UNIVERSAL_DEV_PM_OPS(mpu3050_pm, mpu3050_suspend, mpu3050_resume, NULL);
-
-static const struct i2c_device_id mpu3050_ids[] = {
-	{ "mpu3050", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, mpu3050_ids);
-
-static const struct of_device_id mpu3050_of_match[] = {
-	{ .compatible = "invn,mpu3050", },
-	{ },
-};
-MODULE_DEVICE_TABLE(of, mpu3050_of_match);
-
-static struct i2c_driver mpu3050_i2c_driver = {
-	.driver	= {
-		.name	= "mpu3050",
-		.pm	= &mpu3050_pm,
-		.of_match_table = mpu3050_of_match,
-	},
-	.probe		= mpu3050_probe,
-	.remove		= mpu3050_remove,
-	.id_table	= mpu3050_ids,
-};
-
-module_i2c_driver(mpu3050_i2c_driver);
-
-MODULE_AUTHOR("Wistron Corp.");
-MODULE_DESCRIPTION("MPU3050 Tri-axis gyroscope driver");
-MODULE_LICENSE("GPL");

drivers/input/misc/pm8941-pwrkey.c

···
 {
 	struct pm8941_pwrkey *pwrkey = platform_get_drvdata(pdev);
 
-	device_init_wakeup(&pdev->dev, 0);
 	unregister_reboot_notifier(&pwrkey->reboot_notifier);
 
 	return 0;

drivers/input/misc/pmic8xxx-pwrkey.c

···
 	return 0;
 }
 
-static int pmic8xxx_pwrkey_remove(struct platform_device *pdev)
-{
-	device_init_wakeup(&pdev->dev, 0);
-
-	return 0;
-}
-
 static const struct of_device_id pm8xxx_pwr_key_id_table[] = {
 	{ .compatible = "qcom,pm8058-pwrkey", .data = &pm8058_pwrkey_shutdown },
 	{ .compatible = "qcom,pm8921-pwrkey", .data = &pm8921_pwrkey_shutdown },
···
 
 static struct platform_driver pmic8xxx_pwrkey_driver = {
 	.probe		= pmic8xxx_pwrkey_probe,
-	.remove		= pmic8xxx_pwrkey_remove,
 	.shutdown	= pmic8xxx_pwrkey_shutdown,
 	.driver		= {
 		.name	= "pm8xxx-pwrkey",

drivers/input/misc/pwm-beeper.c

···
  */
 
 #include <linux/input.h>
+#include <linux/regulator/consumer.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
···
 struct pwm_beeper {
 	struct input_dev *input;
 	struct pwm_device *pwm;
+	struct regulator *amplifier;
 	struct work_struct work;
 	unsigned long period;
+	bool suspended;
+	bool amplifier_on;
 };
 
 #define HZ_TO_NANOSECONDS(x) (1000000000UL/(x))
 
-static void __pwm_beeper_set(struct pwm_beeper *beeper)
+static int pwm_beeper_on(struct pwm_beeper *beeper, unsigned long period)
 {
-	unsigned long period = beeper->period;
+	struct pwm_state state;
+	int error;
 
-	if (period) {
-		pwm_config(beeper->pwm, period / 2, period);
-		pwm_enable(beeper->pwm);
-	} else
-		pwm_disable(beeper->pwm);
+	pwm_get_state(beeper->pwm, &state);
+
+	state.enabled = true;
+	state.period = period;
+	pwm_set_relative_duty_cycle(&state, 50, 100);
+
+	error = pwm_apply_state(beeper->pwm, &state);
+	if (error)
+		return error;
+
+	if (!beeper->amplifier_on) {
+		error = regulator_enable(beeper->amplifier);
+		if (error) {
+			pwm_disable(beeper->pwm);
+			return error;
+		}
+
+		beeper->amplifier_on = true;
+	}
+
+	return 0;
+}
+
+static void pwm_beeper_off(struct pwm_beeper *beeper)
+{
+	if (beeper->amplifier_on) {
+		regulator_disable(beeper->amplifier);
+		beeper->amplifier_on = false;
+	}
+
+	pwm_disable(beeper->pwm);
 }
 
 static void pwm_beeper_work(struct work_struct *work)
 {
-	struct pwm_beeper *beeper =
-		container_of(work, struct pwm_beeper, work);
+	struct pwm_beeper *beeper = container_of(work, struct pwm_beeper, work);
+	unsigned long period = READ_ONCE(beeper->period);
 
-	__pwm_beeper_set(beeper);
+	if (period)
+		pwm_beeper_on(beeper, period);
+	else
+		pwm_beeper_off(beeper);
 }
 
 static int pwm_beeper_event(struct input_dev *input,
···
 	else
 		beeper->period = HZ_TO_NANOSECONDS(value);
 
-	schedule_work(&beeper->work);
+	if (!beeper->suspended)
+		schedule_work(&beeper->work);
 
 	return 0;
 }
···
 static void pwm_beeper_stop(struct pwm_beeper *beeper)
 {
 	cancel_work_sync(&beeper->work);
-
-	if (beeper->period)
-		pwm_disable(beeper->pwm);
+	pwm_beeper_off(beeper);
 }
 
 static void pwm_beeper_close(struct input_dev *input)
···
 
 static int pwm_beeper_probe(struct platform_device *pdev)
 {
-	unsigned long pwm_id = (unsigned long)dev_get_platdata(&pdev->dev);
+	struct device *dev = &pdev->dev;
 	struct pwm_beeper *beeper;
+	struct pwm_state state;
 	int error;
 
-	beeper = kzalloc(sizeof(*beeper), GFP_KERNEL);
+	beeper = devm_kzalloc(dev, sizeof(*beeper), GFP_KERNEL);
 	if (!beeper)
 		return -ENOMEM;
 
-	beeper->pwm = pwm_get(&pdev->dev, NULL);
-	if (IS_ERR(beeper->pwm)) {
-		dev_dbg(&pdev->dev, "unable to request PWM, trying legacy API\n");
-		beeper->pwm = pwm_request(pwm_id, "pwm beeper");
-	}
-
+	beeper->pwm = devm_pwm_get(dev, NULL);
 	if (IS_ERR(beeper->pwm)) {
 		error = PTR_ERR(beeper->pwm);
-		dev_err(&pdev->dev, "Failed to request pwm device: %d\n", error);
-		goto err_free;
+		if (error != -EPROBE_DEFER)
+			dev_err(dev, "Failed to request PWM device: %d\n",
+				error);
+		return error;
 	}
 
-	/*
-	 * FIXME: pwm_apply_args() should be removed when switching to
-	 * the atomic PWM API.
-	 */
-	pwm_apply_args(beeper->pwm);
+	/* Sync up PWM state and ensure it is off. */
+	pwm_init_state(beeper->pwm, &state);
+	state.enabled = false;
+	error = pwm_apply_state(beeper->pwm, &state);
+	if (error) {
+		dev_err(dev, "failed to apply initial PWM state: %d\n",
+			error);
+		return error;
+	}
+
+	beeper->amplifier = devm_regulator_get(dev, "amp");
+	if (IS_ERR(beeper->amplifier)) {
+		error = PTR_ERR(beeper->amplifier);
+		if (error != -EPROBE_DEFER)
+			dev_err(dev, "Failed to get 'amp' regulator: %d\n",
+				error);
+		return error;
+	}
 
 	INIT_WORK(&beeper->work, pwm_beeper_work);
 
-	beeper->input = input_allocate_device();
+	beeper->input = devm_input_allocate_device(dev);
 	if (!beeper->input) {
-		dev_err(&pdev->dev, "Failed to allocate input device\n");
-		error = -ENOMEM;
-		goto err_pwm_free;
+		dev_err(dev, "Failed to allocate input device\n");
+		return -ENOMEM;
 	}
-	beeper->input->dev.parent = &pdev->dev;
 
 	beeper->input->name = "pwm-beeper";
 	beeper->input->phys = "pwm/input0";
···
 	beeper->input->id.product = 0x0001;
 	beeper->input->id.version = 0x0100;
 
-	beeper->input->evbit[0] = BIT(EV_SND);
-	beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL);
+	input_set_capability(beeper->input, EV_SND, SND_TONE);
+	input_set_capability(beeper->input, EV_SND, SND_BELL);
 
 	beeper->input->event = pwm_beeper_event;
 	beeper->input->close = pwm_beeper_close;
···
 
 	error = input_register_device(beeper->input);
 	if (error) {
-		dev_err(&pdev->dev, "Failed to register input device: %d\n", error);
-		goto err_input_free;
+		dev_err(dev, "Failed to register input device: %d\n", error);
+		return error;
 	}
 
 	platform_set_drvdata(pdev, beeper);
-
-	return 0;
-
-err_input_free:
-	input_free_device(beeper->input);
-err_pwm_free:
-	pwm_free(beeper->pwm);
-err_free:
-	kfree(beeper);
-
-	return error;
-}
-
-static int pwm_beeper_remove(struct platform_device *pdev)
-{
-	struct pwm_beeper *beeper = platform_get_drvdata(pdev);
-
-	input_unregister_device(beeper->input);
-
-	pwm_free(beeper->pwm);
-
-	kfree(beeper);
 
 	return 0;
 }
···
 static int __maybe_unused pwm_beeper_suspend(struct device *dev)
 {
 	struct pwm_beeper *beeper = dev_get_drvdata(dev);
+
+	/*
+	 * Spinlock is taken here is not to protect write to
+	 * beeper->suspended, but to ensure that pwm_beeper_event
+	 * does not re-submit work once flag is set.
+	 */
+	spin_lock_irq(&beeper->input->event_lock);
+	beeper->suspended = true;
+	spin_unlock_irq(&beeper->input->event_lock);
 
 	pwm_beeper_stop(beeper);
 
···
 {
 	struct pwm_beeper *beeper = dev_get_drvdata(dev);
 
-	if (beeper->period)
-		__pwm_beeper_set(beeper);
+	spin_lock_irq(&beeper->input->event_lock);
+	beeper->suspended = false;
+	spin_unlock_irq(&beeper->input->event_lock);
+
+	/* Let worker figure out if we should resume beeping */
+	schedule_work(&beeper->work);
 
 	return 0;
 }
···
 
 static struct platform_driver pwm_beeper_driver = {
 	.probe	= pwm_beeper_probe,
-	.remove = pwm_beeper_remove,
 	.driver = {
 		.name	= "pwm-beeper",
 		.pm	= &pwm_beeper_pm_ops,

drivers/input/misc/retu-pwrbutton.c

···
 	return 0;
 }
 
-static int retu_pwrbutton_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 static struct platform_driver retu_pwrbutton_driver = {
 	.probe		= retu_pwrbutton_probe,
-	.remove		= retu_pwrbutton_remove,
 	.driver		= {
 		.name	= "retu-pwrbutton",
 	},

drivers/input/misc/sirfsoc-onkey.c

···
 	return 0;
 }
 
-static int sirfsoc_pwrc_remove(struct platform_device *pdev)
-{
-	device_init_wakeup(&pdev->dev, 0);
-
-	return 0;
-}
-
 static int __maybe_unused sirfsoc_pwrc_resume(struct device *dev)
 {
 	struct sirfsoc_pwrc_drvdata *pwrcdrv = dev_get_drvdata(dev);
···
 
 static struct platform_driver sirfsoc_pwrc_driver = {
 	.probe		= sirfsoc_pwrc_probe,
-	.remove		= sirfsoc_pwrc_remove,
 	.driver		= {
 		.name	= "sirfsoc-pwrc",
 		.pm	= &sirfsoc_pwrc_pm_ops,

drivers/input/misc/soc_button_array.c

···
 		gpio_keys[n_buttons].active_low = 1;
 		gpio_keys[n_buttons].desc = info->name;
 		gpio_keys[n_buttons].wakeup = info->wakeup;
+		/* These devices often use cheap buttons, use 50 ms debounce */
+		gpio_keys[n_buttons].debounce_interval = 50;
 		n_buttons++;
 	}
 
···
 
 	button_info = (struct soc_button_info *)id->driver_data;
 
-	if (gpiod_count(&pdev->dev, KBUILD_MODNAME) <= 0) {
-		dev_dbg(&pdev->dev, "no GPIO attached, ignoring...\n");
+	if (gpiod_count(dev, KBUILD_MODNAME) <= 0) {
+		dev_dbg(dev, "no GPIO attached, ignoring...\n");
 		return -ENODEV;
 	}
 
-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 

drivers/input/misc/tps65218-pwrbutton.c

···
 	int error;
 	int irq;
 
-	match = of_match_node(of_tps6521x_pb_match, pdev->dev.of_node);
+	match = of_match_node(of_tps6521x_pb_match, dev->of_node);
 	if (!match)
 		return -ENXIO;
 
···
 
 	input_set_capability(idev, EV_KEY, KEY_POWER);
 
-	pwr->regmap = dev_get_regmap(pdev->dev.parent, NULL);
+	pwr->regmap = dev_get_regmap(dev->parent, NULL);
 	pwr->dev = dev;
 	pwr->idev = idev;
-	platform_set_drvdata(pdev, pwr);
 	device_init_wakeup(dev, true);
 
 	irq = platform_get_irq(pdev, 0);
···
 						IRQF_ONESHOT,
 					  pwr->data->name, pwr);
 	if (error) {
-		dev_err(dev, "failed to request IRQ #%d: %d\n",
-			irq, error);
+		dev_err(dev, "failed to request IRQ #%d: %d\n", irq, error);
 		return error;
 	}
 

drivers/input/misc/twl4030-pwrbutton.c

···
 		return err;
 	}
 
-	platform_set_drvdata(pdev, pwr);
 	device_init_wakeup(&pdev->dev, true);
 
 	return 0;

drivers/input/mouse/alps.c

···
 	 * Switch mouse to poll (remote) mode so motion data will not
 	 * get in our way
 	 */
-	return ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETPOLL);
+	return ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETPOLL);
 }
 
 static int alps_monitor_mode_send_word(struct psmouse *psmouse, u16 word)

drivers/input/mouse/bcm5974.c

···
 	char *data;
 
 	/* Type 3 does not require a mode switch */
-	if (dev->cfg.tp_type == TYPE3)
+	if (c->tp_type == TYPE3)
 		return 0;
 
 	data = kmalloc(c->um_size, GFP_KERNEL);

drivers/input/mouse/cyapa.c

···
 	int error;
 
 	if (device_can_wakeup(dev)) {
-		error = sysfs_merge_group(&client->dev.kobj,
-					&cyapa_power_wakeup_group);
+		error = sysfs_merge_group(&dev->kobj,
+					  &cyapa_power_wakeup_group);
 		if (error) {
 			dev_err(dev, "failed to add power wakeup group: %d\n",
 				error);
···
 		return error;
 	}
 
-	error = sysfs_create_group(&client->dev.kobj, &cyapa_sysfs_group);
+	error = sysfs_create_group(&dev->kobj, &cyapa_sysfs_group);
 	if (error) {
 		dev_err(dev, "failed to create sysfs entries: %d\n", error);
 		return error;

drivers/input/mouse/cyapa_gen3.c

···
 	 * Wait for bootloader to exit, and operation mode to start.
 	 * Normally, this takes at least 50 ms.
 	 */
-	usleep_range(50000, 100000);
+	msleep(50);
 	/*
 	 * In addition, when a device boots for the first time after being
 	 * updated to new firmware, it must first calibrate its sensors, which
···
 				     const char *buf, size_t count)
 {
 	struct cyapa *cyapa = dev_get_drvdata(dev);
-	int tries;
+	unsigned long timeout;
 	int ret;
 
 	ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);
···
 		goto out;
 	}
 
-	tries = 20;  /* max recalibration timeout 2s. */
+	/* max recalibration timeout 2s. */
+	timeout = jiffies + 2 * HZ;
 	do {
 		/*
 		 * For this recalibration, the max time will not exceed 2s.
 		 * The average time is approximately 500 - 700 ms, and we
 		 * will check the status every 100 - 200ms.
 		 */
-		usleep_range(100000, 200000);
-
+		msleep(100);
 		ret = cyapa_read_byte(cyapa, CYAPA_CMD_DEV_STATUS);
 		if (ret < 0) {
-			dev_err(dev, "Error reading dev status: %d\n",
-				ret);
+			dev_err(dev, "Error reading dev status: %d\n", ret);
 			goto out;
 		}
-		if ((ret & CYAPA_DEV_NORMAL) == CYAPA_DEV_NORMAL)
-			break;
-	} while (--tries);
+		if ((ret & CYAPA_DEV_NORMAL) == CYAPA_DEV_NORMAL) {
+			dev_dbg(dev, "Calibration successful.\n");
+			goto out;
+		}
+	} while (time_is_after_jiffies(timeout));
 
-	if (tries == 0) {
-		dev_err(dev, "Failed to calibrate. Timeout.\n");
-		ret = -ETIMEDOUT;
-		goto out;
-	}
-	dev_dbg(dev, "Calibration successful.\n");
+	dev_err(dev, "Failed to calibrate. Timeout.\n");
+	ret = -ETIMEDOUT;
 
 out:
 	return ret < 0 ? ret : count;

drivers/input/mouse/cypress_ps2.c

···
 	enum psmouse_state old_state;
 	int pktsize;
 
-	ps2_begin_command(&psmouse->ps2dev);
+	ps2_begin_command(ps2dev);
 
 	old_state = psmouse->state;
 	psmouse->state = PSMOUSE_CMD_MODE;
···
 	psmouse->state = old_state;
 	psmouse->pktcnt = 0;
 
-	ps2_end_command(&psmouse->ps2dev);
+	ps2_end_command(ps2dev);
 
 	return rc;
 }
···
 	__set_bit(BTN_LEFT, input->keybit);
 	__set_bit(BTN_RIGHT, input->keybit);
 	__set_bit(BTN_MIDDLE, input->keybit);
-
-	input_set_drvdata(input, cytp);
 
 	return 0;
 }

drivers/input/mouse/elan_i2c_core.c

···
 		return -EIO;
 	}
 
-	data = devm_kzalloc(&client->dev, sizeof(struct elan_tp_data),
-			    GFP_KERNEL);
+	data = devm_kzalloc(dev, sizeof(struct elan_tp_data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
···
 	init_completion(&data->fw_completion);
 	mutex_init(&data->sysfs_mutex);
 
-	data->vcc = devm_regulator_get(&client->dev, "vcc");
+	data->vcc = devm_regulator_get(dev, "vcc");
 	if (IS_ERR(data->vcc)) {
 		error = PTR_ERR(data->vcc);
 		if (error != -EPROBE_DEFER)
-			dev_err(&client->dev,
-				"Failed to get 'vcc' regulator: %d\n",
+			dev_err(dev, "Failed to get 'vcc' regulator: %d\n",
 				error);
 		return error;
 	}
 
 	error = regulator_enable(data->vcc);
 	if (error) {
-		dev_err(&client->dev,
-			"Failed to enable regulator: %d\n", error);
+		dev_err(dev, "Failed to enable regulator: %d\n", error);
 		return error;
 	}
 
-	error = devm_add_action(&client->dev,
-				elan_disable_regulator, data);
+	error = devm_add_action(dev, elan_disable_regulator, data);
 	if (error) {
 		regulator_disable(data->vcc);
-		dev_err(&client->dev,
-			"Failed to add disable regulator action: %d\n",
+		dev_err(dev, "Failed to add disable regulator action: %d\n",
 			error);
 		return error;
 	}
···
 	if (error)
 		return error;
 
-	dev_info(&client->dev,
+	dev_info(dev,
 		 "Elan Touchpad: Module ID: 0x%04x, Firmware: 0x%04x, Sample: 0x%04x, IAP: 0x%04x\n",
 		 data->product_id,
 		 data->fw_version,
 		 data->sm_version,
 		 data->iap_version);
 
-	dev_dbg(&client->dev,
+	dev_dbg(dev,
 		"Elan Touchpad Extra Information:\n"
 		"    Max ABS X,Y:   %d,%d\n"
 		"    Width X,Y:   %d,%d\n"
···
 	 * Systems using device tree should set up interrupt via DTS,
 	 * the rest will use the default falling edge interrupts.
 	 */
-	irqflags = client->dev.of_node ? 0 : IRQF_TRIGGER_FALLING;
+	irqflags = dev->of_node ? 0 : IRQF_TRIGGER_FALLING;
 
-	error = devm_request_threaded_irq(&client->dev, client->irq,
-					  NULL, elan_isr,
+	error = devm_request_threaded_irq(dev, client->irq, NULL, elan_isr,
 					  irqflags | IRQF_ONESHOT,
 					  client->name, data);
 	if (error) {
-		dev_err(&client->dev, "cannot register irq=%d\n", client->irq);
+		dev_err(dev, "cannot register irq=%d\n", client->irq);
 		return error;
 	}
 
-	error = sysfs_create_groups(&client->dev.kobj, elan_sysfs_groups);
+	error = sysfs_create_groups(&dev->kobj, elan_sysfs_groups);
 	if (error) {
-		dev_err(&client->dev, "failed to create sysfs attributes: %d\n",
-			error);
+		dev_err(dev, "failed to create sysfs attributes: %d\n", error);
 		return error;
 	}
 
-	error = devm_add_action(&client->dev,
-				elan_remove_sysfs_groups, data);
+	error = devm_add_action(dev, elan_remove_sysfs_groups, data);
 	if (error) {
 		elan_remove_sysfs_groups(data);
-		dev_err(&client->dev,
-			"Failed to add sysfs cleanup action: %d\n",
+		dev_err(dev, "Failed to add sysfs cleanup action: %d\n",
 			error);
 		return error;
 	}
 
 	error = input_register_device(data->input);
 	if (error) {
-		dev_err(&client->dev, "failed to register input device: %d\n",
-			error);
+		dev_err(dev, "failed to register input device: %d\n", error);
 		return error;
 	}
 
···
 	 * Systems using device tree should set up wakeup via DTS,
 	 * the rest will configure device as wakeup source by default.
 	 */
-	if (!client->dev.of_node)
-		device_init_wakeup(&client->dev, true);
+	if (!dev->of_node)
+		device_init_wakeup(dev, true);
 
 	return 0;
 }

drivers/input/mouse/elantech.c

···
 	struct ps2dev *ps2dev = &psmouse->ps2dev;
 	unsigned char param[3];
 
-	ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
+	ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
 
 	if (ps2_command(ps2dev,  NULL, PSMOUSE_CMD_DISABLE) ||
 	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11) ||

drivers/input/mouse/hgpk.c

···
 		 * the upper bound. (in practice, it takes about 3 loops.)
 		 */
 		for (timeo = 20; timeo > 0; timeo--) {
-			if (!ps2_sendbyte(&psmouse->ps2dev,
-					PSMOUSE_CMD_DISABLE, 20))
+			if (!ps2_sendbyte(ps2dev, PSMOUSE_CMD_DISABLE, 20))
 				break;
 			msleep(25);
 		}
···
 		psmouse_set_state(psmouse, PSMOUSE_IGNORE);
 
 		/* probably won't see an ACK, the touchpad will be off */
-		ps2_sendbyte(&psmouse->ps2dev, 0xec, 20);
+		ps2_sendbyte(ps2dev, 0xec, 20);
 	}
 
 	return 0;

drivers/input/mouse/logips2pp.c

···
 				psmouse->set_resolution = ps2pp_set_resolution;
 				psmouse->disconnect = ps2pp_disconnect;
 
-				error = device_create_file(&psmouse->ps2dev.serio->dev,
+				error = device_create_file(&ps2dev->serio->dev,
 							   &psmouse_attr_smartscroll.dattr);
 				if (error) {
 					psmouse_err(psmouse,

drivers/input/mouse/maplemouse.c

···
 	mse->dev = input_dev;
 	mse->mdev = mdev;
 
-	input_set_drvdata(input_dev, mse);
 	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
 	input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
 		BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);

drivers/input/mouse/psmouse-base.c

···
 	int (*init)(struct psmouse *);
 };
 
+static void psmouse_report_standard_buttons(struct input_dev *dev, u8 buttons)
+{
+	input_report_key(dev, BTN_LEFT,   buttons & BIT(0));
+	input_report_key(dev, BTN_MIDDLE, buttons & BIT(2));
+	input_report_key(dev, BTN_RIGHT,  buttons & BIT(1));
+}
+
 /*
  * psmouse_process_byte() analyzes the PS/2 data stream and reports
  * relevant events to the input module once full packet has arrived.
···
 	}
 
 	/* Generic PS/2 Mouse */
-	input_report_key(dev, BTN_LEFT,    packet[0]       & 1);
-	input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
-	input_report_key(dev, BTN_RIGHT,  (packet[0] >> 1) & 1);
+	psmouse_report_standard_buttons(dev,
+					packet[0] | psmouse->extra_buttons);
 
 	input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
 	input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
···
 	return 0;
 }
 
+static void psmouse_handle_oob_data(struct psmouse *psmouse, u8 data)
+{
+	switch (psmouse->oob_data_type) {
+	case PSMOUSE_OOB_NONE:
+		psmouse->oob_data_type = data;
+		break;
+
+	case PSMOUSE_OOB_EXTRA_BTNS:
+		psmouse_report_standard_buttons(psmouse->dev, data);
+		input_sync(psmouse->dev);
+
+		psmouse->extra_buttons = data;
+		psmouse->oob_data_type = PSMOUSE_OOB_NONE;
+		break;
+
+	default:
+		psmouse_warn(psmouse,
+			     "unknown OOB_DATA type: 0x%02x\n",
+			     psmouse->oob_data_type);
+		psmouse->oob_data_type = PSMOUSE_OOB_NONE;
+		break;
+	}
+}
+
 /*
  * psmouse_interrupt() handles incoming characters, either passing them
  * for normal processing or gathering them as command response.
···
 				     flags & SERIO_TIMEOUT ? " timeout" : "",
 				     flags & SERIO_PARITY ? " bad parity" : "");
 		ps2_cmd_aborted(&psmouse->ps2dev);
+		goto out;
+	}
+
+	if (flags & SERIO_OOB_DATA) {
+		psmouse_handle_oob_data(psmouse, data);
 		goto out;
 	}
 

drivers/input/mouse/psmouse.h

···
 #ifndef _PSMOUSE_H
 #define _PSMOUSE_H
 
+#define PSMOUSE_OOB_NONE	0x00
+#define PSMOUSE_OOB_EXTRA_BTNS	0x01
+
 #define PSMOUSE_CMD_SETSCALE11	0x00e6
 #define PSMOUSE_CMD_SETSCALE21	0x00e7
 #define PSMOUSE_CMD_SETRES	0x10e8
···
 	unsigned char pktcnt;
 	unsigned char pktsize;
 	unsigned char type;
+	unsigned char oob_data_type;
+	unsigned char extra_buttons;
 	bool ignore_parity;
 	bool acks_disable_command;
 	unsigned int model;

drivers/input/mouse/synaptics.c

···
 	return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4;
 }
 
-static void synaptics_pass_pt_packet(struct psmouse *psmouse,
-				     struct serio *ptport,
+static void synaptics_pass_pt_packet(struct serio *ptport,
 				     unsigned char *packet)
 {
-	struct synaptics_data *priv = psmouse->private;
 	struct psmouse *child = serio_get_drvdata(ptport);
 
 	if (child && child->state == PSMOUSE_ACTIVATED) {
-		serio_interrupt(ptport, packet[1] | priv->pt_buttons, 0);
+		serio_interrupt(ptport, packet[1], 0);
 		serio_interrupt(ptport, packet[4], 0);
 		serio_interrupt(ptport, packet[5], 0);
 		if (child->pktsize == 4)
···
 	struct input_dev *dev = psmouse->dev;
 	struct synaptics_data *priv = psmouse->private;
 	int ext_bits = (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1;
-	char buf[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 	int i;
 
 	if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
···
 	 * physically wired to the touchpad. Re-route them through
 	 * the pass-through interface.
 	 */
-	if (!priv->pt_port)
-		return;
+	if (priv->pt_port) {
+		u8 pt_buttons;
 
-	/* The trackstick expects at most 3 buttons */
-	priv->pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons)      |
-			   SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
-			   SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
+		/* The trackstick expects at most 3 buttons */
+		pt_buttons = SYN_CAP_EXT_BUTTON_STICK_L(hw->ext_buttons)      |
+			     SYN_CAP_EXT_BUTTON_STICK_R(hw->ext_buttons) << 1 |
+			     SYN_CAP_EXT_BUTTON_STICK_M(hw->ext_buttons) << 2;
 
-	synaptics_pass_pt_packet(psmouse, priv->pt_port, buf);
+		serio_interrupt(priv->pt_port,
+				PSMOUSE_OOB_EXTRA_BTNS, SERIO_OOB_DATA);
+		serio_interrupt(priv->pt_port, pt_buttons, SERIO_OOB_DATA);
+	}
 }
 
 static void synaptics_report_buttons(struct psmouse *psmouse,
···
 		if (SYN_CAP_PASS_THROUGH(priv->capabilities) &&
 		    synaptics_is_pt_packet(psmouse->packet)) {
 			if (priv->pt_port)
-				synaptics_pass_pt_packet(psmouse, priv->pt_port,
+				synaptics_pass_pt_packet(priv->pt_port,
 							 psmouse->packet);
 		} else
 			synaptics_process_packet(psmouse);

drivers/input/mouse/synaptics.h

···
 	bool disable_gesture;			/* disable gestures */
 
 	struct serio *pt_port;			/* Pass-through serio port */
-	unsigned char pt_buttons;		/* Pass-through buttons */
 
 	/*
 	 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet

drivers/input/mouse/trackpoint.c

···
 	if (!set_properties)
 		return 0;
 
-	if (trackpoint_read(&psmouse->ps2dev, TP_EXT_BTN, &button_info)) {
+	if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) {
 		psmouse_warn(psmouse, "failed to get extended button data\n");
 		button_info = 0;
 	}
···
 
 	trackpoint_defaults(psmouse->private);
 
-	error = trackpoint_power_on_reset(&psmouse->ps2dev);
+	error = trackpoint_power_on_reset(ps2dev);
 
 	/* Write defaults to TP only if reset fails. */
 	if (error)

drivers/input/rmi4/Kconfig

···
 
 	  If unsure, say Y.
 
+if RMI4_CORE
+
 config RMI4_I2C
 	tristate "RMI4 I2C Support"
-	depends on RMI4_CORE && I2C
+	depends on I2C
 	help
 	  Say Y here if you want to support RMI4 devices connected to an I2C
 	  bus.
···
 
 config RMI4_SPI
 	tristate "RMI4 SPI Support"
-	depends on RMI4_CORE && SPI
+	depends on SPI
 	help
 	  Say Y here if you want to support RMI4 devices connected to a SPI
 	  bus.
···
 
 config RMI4_SMB
 	tristate "RMI4 SMB Support"
-	depends on RMI4_CORE && I2C
+	depends on I2C
 	help
 	  Say Y here if you want to support RMI4 devices connected to an SMB
 	  bus.
···
 	  called rmi_smbus.
 
 config RMI4_F03
-        bool "RMI4 Function 03 (PS2 Guest)"
+	bool "RMI4 Function 03 (PS2 Guest)"
 	depends on RMI4_CORE
-        help
-          Say Y here if you want to add support for RMI4 function 03.
+	help
+	  Say Y here if you want to add support for RMI4 function 03.
 
-          Function 03 provides PS2 guest support for RMI4 devices. This
-          includes support for TrackPoints on TouchPads.
+	  Function 03 provides PS2 guest support for RMI4 devices. This
+	  includes support for TrackPoints on TouchPads.
 
 config RMI4_F03_SERIO
 	tristate
···
 
 config RMI4_2D_SENSOR
 	bool
-	depends on RMI4_CORE
 
 config RMI4_F11
 	bool "RMI4 Function 11 (2D pointing)"
 	select RMI4_2D_SENSOR
-	depends on RMI4_CORE
 	help
 	  Say Y here if you want to add support for RMI4 function 11.
 
···
 config RMI4_F12
 	bool "RMI4 Function 12 (2D pointing)"
 	select RMI4_2D_SENSOR
-	depends on RMI4_CORE
 	help
 	  Say Y here if you want to add support for RMI4 function 12.
 
···
 
 config RMI4_F30
 	bool "RMI4 Function 30 (GPIO LED)"
-	depends on RMI4_CORE
 	help
 	  Say Y here if you want to add support for RMI4 function 30.
 
···
 
 config RMI4_F34
 	bool "RMI4 Function 34 (Device reflash)"
-	depends on RMI4_CORE
 	select FW_LOADER
 	help
 	  Say Y here if you want to add support for RMI4 function 34.
···
 
 config RMI4_F54
 	bool "RMI4 Function 54 (Analog diagnostics)"
-	depends on RMI4_CORE
 	depends on VIDEO_V4L2=y || (RMI4_CORE=m && VIDEO_V4L2=m)
 	select VIDEOBUF2_VMALLOC
 	select RMI4_F55
···
 
 config RMI4_F55
 	bool "RMI4 Function 55 (Sensor tuning)"
-	depends on RMI4_CORE
 	help
 	  Say Y here if you want to add support for RMI4 function 55
 
 	  Function 55 provides access to the RMI4 touch sensor tuning
 	  mechanism.
+
+endif # RMI_CORE

drivers/input/rmi4/rmi_2d_sensor.c

···
 	int input_flags = 0;
 
 	if (sensor->report_abs) {
-		if (sensor->axis_align.swap_axes)
+		if (sensor->axis_align.swap_axes) {
 			swap(sensor->max_x, sensor->max_y);
+			swap(sensor->axis_align.clip_x_low,
+			     sensor->axis_align.clip_y_low);
+			swap(sensor->axis_align.clip_x_high,
+			     sensor->axis_align.clip_y_high);
+		}
 
 		sensor->min_x = sensor->axis_align.clip_x_low;
 		if (sensor->axis_align.clip_x_high)

drivers/input/rmi4/rmi_bus.c

···
 	kfree(rmi_dev);
 }
 
-static struct device_type rmi_device_type = {
+static const struct device_type rmi_device_type = {
 	.name		= "rmi4_sensor",
 	.release	= rmi_release_device,
 };
···
 	kfree(fn);
 }
 
-static struct device_type rmi_function_type = {
+static const struct device_type rmi_function_type = {
 	.name		= "rmi4_function",
 	.release	= rmi_release_function,
 };
···
 	driver->probe = rmi_function_probe;
 	driver->remove = rmi_function_remove;
 
-	error = driver_register(&handler->driver);
+	error = driver_register(driver);
 	if (error) {
 		pr_err("driver_register() failed for %s, error: %d\n",
-			handler->driver.name, error);
+			driver->name, error);
 		return error;
 	}
 

drivers/input/rmi4/rmi_driver.c

···
 	return 0;
 }
 
+struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
+	struct rmi_function *entry;
+
+	list_for_each_entry(entry, &data->function_list, node) {
+		if (entry->fd.function_number == number)
+			return entry;
+	}
+
+	return NULL;
+}
+
 static int suspend_one_function(struct rmi_function *fn)
 {
 	struct rmi_function_handler *fh;
···
 				struct input_dev *input)
 {
 	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
-	char *device_name = rmi_f01_get_product_ID(data->f01_container);
+	const char *device_name = rmi_f01_get_product_ID(data->f01_container);
 	char *name;
 
 	name = devm_kasprintf(&rmi_dev->dev, GFP_KERNEL,
···
 			       void *ctx, const struct pdt_entry *pdt)
 {
 	struct device *dev = &rmi_dev->dev;
-	struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
 	int *current_irq_count = ctx;
 	struct rmi_function *fn;
 	int i;
···
 	}
 
 	if (data->bootloader_mode)
-		dev_warn(&rmi_dev->dev, "Device in bootloader mode.\n");
+		dev_warn(dev, "Device in bootloader mode.\n");
 
 	data->irq_count = irq_count;
 	data->num_of_irq_regs = (data->irq_count + 7) / 8;
···
 	data->irq_memory = devm_kzalloc(dev, size * 4, GFP_KERNEL);
 	if (!data->irq_memory) {
 		dev_err(dev, "Failed to allocate memory for irq masks.\n");
-		return retval;
+		return -ENOMEM;
 	}
 
 	data->irq_status	= data->irq_memory + size * 0;

drivers/input/rmi4/rmi_driver.h

···
 int rmi_register_physical_driver(void);
 void rmi_unregister_physical_driver(void);
 void rmi_free_function_list(struct rmi_device *rmi_dev);
+struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number);
 int rmi_enable_sensor(struct rmi_device *rmi_dev);
 int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx,
 		 int (*callback)(struct rmi_device *rmi_dev, void *ctx,
···
 int rmi_initial_reset(struct rmi_device *rmi_dev, void *ctx,
 		      const struct pdt_entry *pdt);
 
-char *rmi_f01_get_product_ID(struct rmi_function *fn);
+const char *rmi_f01_get_product_ID(struct rmi_function *fn);
+
+#ifdef CONFIG_RMI4_F03
+int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button,
+			     int value);
+void rmi_f03_commit_buttons(struct rmi_function *fn);
+#else
+static inline int rmi_f03_overwrite_button(struct rmi_function *fn,
+					   unsigned int button, int value)
+{
+	return 0;
+}
+static inline void rmi_f03_commit_buttons(struct rmi_function *fn) {}
+#endif
 
 #ifdef CONFIG_RMI4_F34
 int rmi_f34_create_sysfs(struct rmi_device *rmi_dev);

drivers/input/rmi4/rmi_f01.c

···
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/of.h>
+#include <asm/unaligned.h>
 #include "rmi_driver.h"
 
 #define RMI_PRODUCT_ID_LENGTH    10
···
 	u8 product_id[RMI_PRODUCT_ID_LENGTH + 1];
 	u16 productinfo;
 	u32 firmware_id;
+	u32 package_id;
 };
 
 /* F01 device status bits */
···
 			has_build_id_query = !!(queries[0] & BIT(1));
 		}
 
-		if (has_package_id_query)
+		if (has_package_id_query) {
+			ret = rmi_read_block(rmi_dev, prod_info_addr,
+					     queries, sizeof(__le64));
+			if (ret) {
+				dev_err(&rmi_dev->dev,
+					"Failed to read package info: %d\n",
+					ret);
+				return ret;
+			}
+
+			props->package_id = get_unaligned_le64(queries);
 			prod_info_addr++;
+		}
 
 		if (has_build_id_query) {
 			ret = rmi_read_block(rmi_dev, prod_info_addr, queries,
···
 	return 0;
 }
 
-char *rmi_f01_get_product_ID(struct rmi_function *fn)
+const char *rmi_f01_get_product_ID(struct rmi_function *fn)
 {
 	struct f01_data *f01 = dev_get_drvdata(&fn->dev);
 
 	return f01->properties.product_id;
 }
+
+static ssize_t rmi_driver_manufacturer_id_show(struct device *dev,
+					       struct device_attribute *dattr,
+					       char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n",
+			 f01->properties.manufacturer_id);
+}
+
+static DEVICE_ATTR(manufacturer_id, 0444,
+		   rmi_driver_manufacturer_id_show, NULL);
+
+static ssize_t rmi_driver_dom_show(struct device *dev,
+				   struct device_attribute *dattr, char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.dom);
+}
+
+static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL);
+
+static ssize_t rmi_driver_product_id_show(struct device *dev,
+					  struct device_attribute *dattr,
+					  char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.product_id);
+}
+
+static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL);
+
+static ssize_t rmi_driver_firmware_id_show(struct device *dev,
+					   struct device_attribute *dattr,
+					   char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n", f01->properties.firmware_id);
+}
+
+static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL);
+
+static ssize_t rmi_driver_package_id_show(struct device *dev,
+					  struct device_attribute *dattr,
+					  char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+	u32 package_id = f01->properties.package_id;
+
+	return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n",
+			 package_id & 0xffff, (package_id >> 16) & 0xffff);
+}
+
+static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL);
+
+static struct attribute *rmi_f01_attrs[] = {
+	&dev_attr_manufacturer_id.attr,
+	&dev_attr_date_of_manufacture.attr,
+	&dev_attr_product_id.attr,
+	&dev_attr_firmware_id.attr,
+	&dev_attr_package_id.attr,
+	NULL
+};
+
+static struct attribute_group rmi_f01_attr_group = {
+	.attrs = rmi_f01_attrs,
+};
 
 #ifdef CONFIG_OF
 static int rmi_f01_of_probe(struct device *dev,
···
 
 	dev_set_drvdata(&fn->dev, f01);
 
+	error = sysfs_create_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
+	if (error)
+		dev_warn(&fn->dev, "Failed to create sysfs group: %d\n", error);
+
 	return 0;
+}
+
+static void rmi_f01_remove(struct rmi_function *fn)
+{
+	sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
 }
 
 static int rmi_f01_config(struct rmi_function *fn)
···
 	},
 	.func		= 0x01,
 	.probe		= rmi_f01_probe,
+	.remove		= rmi_f01_remove,
 	.config		= rmi_f01_config,
 	.attention	= rmi_f01_attention,
 	.suspend	= rmi_f01_suspend,

drivers/input/rmi4/rmi_f03.c

···
 #define RMI_F03_BYTES_PER_DEVICE_SHIFT	4
 #define RMI_F03_QUEUE_LENGTH		0x0F
 
+#define PSMOUSE_OOB_EXTRA_BTNS		0x01
+
 struct f03_data {
 	struct rmi_function *fn;
 
 	struct serio *serio;
 
+	unsigned int overwrite_buttons;
+
 	u8 device_count;
 	u8 rx_queue_length;
 };
+
+int rmi_f03_overwrite_button(struct rmi_function *fn, unsigned int button,
+			     int value)
+{
+	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
+	unsigned int bit;
+
+	if (button < BTN_LEFT || button > BTN_MIDDLE)
+		return -EINVAL;
+
+	bit = BIT(button - BTN_LEFT);
+
+	if (value)
+		f03->overwrite_buttons |= bit;
+	else
+		f03->overwrite_buttons &= ~bit;
+
+	return 0;
+}
+
+void rmi_f03_commit_buttons(struct rmi_function *fn)
+{
+	struct f03_data *f03 = dev_get_drvdata(&fn->dev);
+	struct serio *serio = f03->serio;
+
+	serio_pause_rx(serio);
+	if (serio->drv) {
+		serio->drv->interrupt(serio, PSMOUSE_OOB_EXTRA_BTNS,
+				      SERIO_OOB_DATA);
+		serio->drv->interrupt(serio, f03->overwrite_buttons,
+				      SERIO_OOB_DATA);
+	}
+	serio_continue_rx(serio);
+}
 
 static int rmi_f03_pt_write(struct serio *id, unsigned char val)
 {
···
 	unsigned int serio_flags;
 	int i;
 	int error;
-
-	if (!rmi_dev)
-		return -ENODEV;
 
 	if (drvdata->attn_data.data) {
 		/* First grab the data passed by the transport device */

drivers/input/rmi4/rmi_f30.c

···
 
 /* Defs for Query 0 */
 #define RMI_F30_EXTENDED_PATTERNS		0x01
-#define RMI_F30_HAS_MAPPABLE_BUTTONS		(1 << 1)
-#define RMI_F30_HAS_LED			(1 << 2)
-#define RMI_F30_HAS_GPIO			(1 << 3)
-#define RMI_F30_HAS_HAPTIC			(1 << 4)
-#define RMI_F30_HAS_GPIO_DRV_CTL		(1 << 5)
-#define RMI_F30_HAS_MECH_MOUSE_BTNS		(1 << 6)
+#define RMI_F30_HAS_MAPPABLE_BUTTONS		BIT(1)
+#define RMI_F30_HAS_LED				BIT(2)
+#define RMI_F30_HAS_GPIO			BIT(3)
+#define RMI_F30_HAS_HAPTIC			BIT(4)
+#define RMI_F30_HAS_GPIO_DRV_CTL		BIT(5)
+#define RMI_F30_HAS_MECH_MOUSE_BTNS		BIT(6)
 
 /* Defs for Query 1 */
 #define RMI_F30_GPIO_LED_COUNT			0x1F
 
 /* Defs for Control Registers */
 #define RMI_F30_CTRL_1_GPIO_DEBOUNCE		0x01
-#define RMI_F30_CTRL_1_HALT			(1 << 4)
-#define RMI_F30_CTRL_1_HALTED			(1 << 5)
+#define RMI_F30_CTRL_1_HALT			BIT(4)
+#define RMI_F30_CTRL_1_HALTED			BIT(5)
 #define RMI_F30_CTRL_10_NUM_MECH_MOUSE_BTNS	0x03
 
-struct rmi_f30_ctrl_data {
-	int address;
-	int length;
-	u8 *regs;
-};
-
 #define RMI_F30_CTRL_MAX_REGS		32
-#define RMI_F30_CTRL_MAX_BYTES		((RMI_F30_CTRL_MAX_REGS + 7) >> 3)
+#define RMI_F30_CTRL_MAX_BYTES		DIV_ROUND_UP(RMI_F30_CTRL_MAX_REGS, 8)
 #define RMI_F30_CTRL_MAX_REG_BLOCKS	11
 
 #define RMI_F30_CTRL_REGS_MAX_SIZE (RMI_F30_CTRL_MAX_BYTES		\
···
 					+ RMI_F30_CTRL_MAX_BYTES	\
 					+ 1				\
 					+ 1)
+
+#define TRACKSTICK_RANGE_START		3
+#define TRACKSTICK_RANGE_END		6
+
+struct rmi_f30_ctrl_data {
+	int address;
+	int length;
+	u8 *regs;
+};
 
 struct f30_data {
 	/* Query Data */
···
 	u16 *gpioled_key_map;
 
 	struct input_dev *input;
+
+	struct rmi_function *f03;
+	bool trackstick_buttons;
 };
 
 static int rmi_f30_read_control_parameters(struct rmi_function *fn,
 						struct f30_data *f30)
 {
-	struct rmi_device *rmi_dev = fn->rmi_dev;
-	int error = 0;
+	int error;
 
-	error = rmi_read_block(rmi_dev, fn->fd.control_base_addr,
-				f30->ctrl_regs, f30->ctrl_regs_size);
+	error = rmi_read_block(fn->rmi_dev, fn->fd.control_base_addr,
+			       f30->ctrl_regs, f30->ctrl_regs_size);
 	if (error) {
-		dev_err(&rmi_dev->dev, "%s : Could not read control registers at 0x%x error (%d)\n",
+		dev_err(&fn->dev,
+			"%s: Could not read control registers at 0x%x: %d\n",
 			__func__, fn->fd.control_base_addr, error);
 		return error;
 	}
···
 	return 0;
 }
 
+static void rmi_f30_report_button(struct rmi_function *fn,
+				  struct f30_data *f30, unsigned int button)
+{
+	unsigned int reg_num = button >> 3;
+	unsigned int bit_num = button & 0x07;
+	u16 key_code = f30->gpioled_key_map[button];
+	bool key_down = !(f30->data_regs[reg_num] & BIT(bit_num));
+
+	if (f30->trackstick_buttons &&
+	    button >= TRACKSTICK_RANGE_START &&
+	    button <= TRACKSTICK_RANGE_END) {
+		rmi_f03_overwrite_button(f30->f03, key_code, key_down);
+	} else {
+		rmi_dbg(RMI_DEBUG_FN, &fn->dev,
+			"%s: call input report key (0x%04x) value (0x%02x)",
+			__func__, key_code, key_down);
+
+		input_report_key(f30->input, key_code, key_down);
+	}
+}
+
 static int rmi_f30_attention(struct rmi_function *fn, unsigned long *irq_bits)
 {
 	struct f30_data *f30 = dev_get_drvdata(&fn->dev);
-	struct rmi_device *rmi_dev = fn->rmi_dev;
-	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
-	int retval;
-	int gpiled = 0;
-	int value = 0;
+	struct rmi_driver_data *drvdata = dev_get_drvdata(&fn->rmi_dev->dev);
+	int error;
 	int i;
-	int reg_num;
-
-	if (!f30->input)
-		return 0;
 
 	/* Read the gpi led data. */
 	if (drvdata->attn_data.data) {
 		if (drvdata->attn_data.size < f30->register_count) {
-			dev_warn(&fn->dev, "F30 interrupted, but data is missing\n");
+			dev_warn(&fn->dev,
+				 "F30 interrupted, but data is missing\n");
 			return 0;
 		}
 		memcpy(f30->data_regs, drvdata->attn_data.data,
···
 		drvdata->attn_data.data += f30->register_count;
 		drvdata->attn_data.size -= f30->register_count;
 	} else {
-		retval = rmi_read_block(rmi_dev, fn->fd.data_base_addr,
-			f30->data_regs, f30->register_count);
-
-		if (retval) {
-			dev_err(&fn->dev, "%s: Failed to read F30 data registers.\n",
-				__func__);
-			return retval;
+		error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr,
+				       f30->data_regs, f30->register_count);
+		if (error) {
+			dev_err(&fn->dev,
+				"%s: Failed to read F30 data registers: %d\n",
+				__func__, error);
+			return error;
 		}
 	}
 
-	for (reg_num = 0; reg_num < f30->register_count; ++reg_num) {
-		for (i = 0; gpiled < f30->gpioled_count && i < 8; ++i,
-			++gpiled) {
-			if (f30->gpioled_key_map[gpiled] != 0) {
-				/* buttons have pull up resistors */
-				value = (((f30->data_regs[reg_num] >> i) & 0x01)
-									== 0);
-
-				rmi_dbg(RMI_DEBUG_FN, &fn->dev,
-					"%s: call input report key (0x%04x) value (0x%02x)",
-					__func__,
-					f30->gpioled_key_map[gpiled], value);
-				input_report_key(f30->input,
-						 f30->gpioled_key_map[gpiled],
-						 value);
-			}
-
-		}
+	if (f30->has_gpio) {
+		for (i = 0; i < f30->gpioled_count; i++)
+			if (f30->gpioled_key_map[i] != KEY_RESERVED)
+				rmi_f30_report_button(fn, f30, i);
+		if (f30->trackstick_buttons)
+			rmi_f03_commit_buttons(f30->f03);
 	}
 
-	return 0;
-}
-
-static int rmi_f30_register_device(struct rmi_function *fn)
-{
-	int i;
-	struct rmi_device *rmi_dev = fn->rmi_dev;
-	struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);
-	struct f30_data *f30 = dev_get_drvdata(&fn->dev);
-	struct input_dev *input_dev;
-	int button_count = 0;
-
-	input_dev = drv_data->input;
-	if (!input_dev) {
-		dev_info(&fn->dev, "F30: no input device found, ignoring.\n");
-		return -EINVAL;
-	}
-
-	f30->input = input_dev;
-
-	set_bit(EV_KEY, input_dev->evbit);
-
-	input_dev->keycode = f30->gpioled_key_map;
-	input_dev->keycodesize = sizeof(u16);
-	input_dev->keycodemax = f30->gpioled_count;
-
-	for (i = 0; i < f30->gpioled_count; i++) {
-		if (f30->gpioled_key_map[i] != 0) {
-			input_set_capability(input_dev, EV_KEY,
-						f30->gpioled_key_map[i]);
-			button_count++;
-		}
-	}
-
-	if (button_count == 1)
-		__set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit);
 	return 0;
 }
 
···
 				rmi_get_platform_data(fn->rmi_dev);
 	int error;
 
+	if (pdata->f30_data.trackstick_buttons) {
+		/* Try [re-]establish link to F03. */
+		f30->f03 = rmi_find_function(fn->rmi_dev, 0x03);
+		f30->trackstick_buttons = f30->f03 != NULL;
+	}
+
 	if (pdata->f30_data.disable) {
 		drv->clear_irq_bits(fn->rmi_dev, fn->irq_mask);
 	} else {
···
 		error = rmi_write_block(fn->rmi_dev, fn->fd.control_base_addr,
 					f30->ctrl_regs, f30->ctrl_regs_size);
 		if (error) {
-			dev_err(&fn->rmi_dev->dev,
-				"%s : Could not write control registers at 0x%x error (%d)\n",
+			dev_err(&fn->dev,
+				"%s: Could not write control registers at 0x%x: %d\n",
 				__func__, fn->fd.control_base_addr, error);
 			return error;
 		}
 
 		drv->set_irq_bits(fn->rmi_dev, fn->irq_mask);
 	}
+
 	return 0;
 }
 
-static inline void rmi_f30_set_ctrl_data(struct rmi_f30_ctrl_data *ctrl,
-					int *ctrl_addr, int len, u8 **reg)
+static void rmi_f30_set_ctrl_data(struct rmi_f30_ctrl_data *ctrl,
+				  int *ctrl_addr, int len, u8 **reg)
 {
 	ctrl->address = *ctrl_addr;
 	ctrl->length = len;
···
 	*reg += len;
 }
 
-static inline bool rmi_f30_is_valid_button(int button,
-		struct rmi_f30_ctrl_data *ctrl)
+static bool rmi_f30_is_valid_button(int button, struct rmi_f30_ctrl_data *ctrl)
 {
 	int byte_position = button >> 3;
 	int bit_position = button & 0x07;
···
 		(ctrl[3].regs[byte_position] & BIT(bit_position));
 }
 
-static inline int rmi_f30_initialize(struct rmi_function *fn)
+static int rmi_f30_map_gpios(struct rmi_function *fn,
+			     struct f30_data *f30)
 {
-	struct f30_data *f30;
-	struct rmi_device *rmi_dev = fn->rmi_dev;
-	const struct rmi_device_platform_data *pdata;
-	int retval = 0;
-	int control_address;
+	const struct rmi_device_platform_data *pdata =
+					rmi_get_platform_data(fn->rmi_dev);
+	struct input_dev *input = f30->input;
+	unsigned int button = BTN_LEFT;
+	unsigned int trackstick_button = BTN_LEFT;
+	bool button_mapped = false;
 	int i;
-	int button;
-	u8 buf[RMI_F30_QUERY_SIZE];
-	u8 *ctrl_reg;
-	u8 *map_memory;
 
-	f30 = devm_kzalloc(&fn->dev, sizeof(struct f30_data),
-			   GFP_KERNEL);
-	if (!f30)
+	f30->gpioled_key_map = devm_kcalloc(&fn->dev,
+					    f30->gpioled_count,
+					    sizeof(f30->gpioled_key_map[0]),
+					    GFP_KERNEL);
+	if (!f30->gpioled_key_map) {
+		dev_err(&fn->dev, "Failed to allocate gpioled map memory.\n");
 		return -ENOMEM;
+	}
 
-	dev_set_drvdata(&fn->dev, f30);
+	for (i = 0; i < f30->gpioled_count; i++) {
+		if (!rmi_f30_is_valid_button(i, f30->ctrl))
+			continue;
 
-	retval = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, buf,
-				RMI_F30_QUERY_SIZE);
+		if (pdata->f30_data.trackstick_buttons &&
+		    i >= TRACKSTICK_RANGE_START && i < TRACKSTICK_RANGE_END) {
+			f30->gpioled_key_map[i] = trackstick_button++;
+		} else if (!pdata->f30_data.buttonpad || !button_mapped) {
+			f30->gpioled_key_map[i] = button;
+			input_set_capability(input, EV_KEY, button++);
+			button_mapped = true;
+		}
+	}
 
-	if (retval) {
-		dev_err(&fn->dev, "Failed to read query register.\n");
-		return retval;
+	input->keycode = f30->gpioled_key_map;
+	input->keycodesize = sizeof(f30->gpioled_key_map[0]);
+	input->keycodemax = f30->gpioled_count;
+
+	/*
+	 * Buttonpad could be also inferred from f30->has_mech_mouse_btns,
+	 * but I am not sure, so use only the pdata info.
+	 */
+	if (pdata->f30_data.buttonpad)
+		__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
+
+	return 0;
+}
+
+static int rmi_f30_initialize(struct rmi_function *fn, struct f30_data *f30)
+{
+	u8 *ctrl_reg = f30->ctrl_regs;
+	int control_address = fn->fd.control_base_addr;
+	u8 buf[RMI_F30_QUERY_SIZE];
+	int error;
+
+	error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr,
+			       buf, RMI_F30_QUERY_SIZE);
+	if (error) {
+		dev_err(&fn->dev, "Failed to read query register\n");
+		return error;
 	}
 
 	f30->has_extended_pattern = buf[0] & RMI_F30_EXTENDED_PATTERNS;
···
 	f30->has_mech_mouse_btns = buf[0] & RMI_F30_HAS_MECH_MOUSE_BTNS;
 	f30->gpioled_count = buf[1] & RMI_F30_GPIO_LED_COUNT;
 
-	f30->register_count = (f30->gpioled_count + 7) >> 3;
-
-	control_address = fn->fd.control_base_addr;
-	ctrl_reg = f30->ctrl_regs;
+	f30->register_count = DIV_ROUND_UP(f30->gpioled_count, 8);
 
 	if (f30->has_gpio && f30->has_led)
 		rmi_f30_set_ctrl_data(&f30->ctrl[0], &control_address,
-					f30->register_count, &ctrl_reg);
+				      f30->register_count, &ctrl_reg);
 
-	rmi_f30_set_ctrl_data(&f30->ctrl[1], &control_address, sizeof(u8),
-				&ctrl_reg);
+	rmi_f30_set_ctrl_data(&f30->ctrl[1], &control_address,
+			      sizeof(u8), &ctrl_reg);
 
 	if (f30->has_gpio) {
 		rmi_f30_set_ctrl_data(&f30->ctrl[2], &control_address,
-					f30->register_count, &ctrl_reg);
+				      f30->register_count, &ctrl_reg);
 
 		rmi_f30_set_ctrl_data(&f30->ctrl[3], &control_address,
-					f30->register_count, &ctrl_reg);
+				      f30->register_count, &ctrl_reg);
 	}
 
 	if (f30->has_led) {
-		int ctrl5_len;
-
 		rmi_f30_set_ctrl_data(&f30->ctrl[4], &control_address,
-					f30->register_count, &ctrl_reg);
-
-		if (f30->has_extended_pattern)
-			ctrl5_len = 6;
-		else
-			ctrl5_len = 2;
+				      f30->register_count, &ctrl_reg);
 
 		rmi_f30_set_ctrl_data(&f30->ctrl[5], &control_address,
-					ctrl5_len, &ctrl_reg);
+				      f30->has_extended_pattern ? 6 : 2,
+				      &ctrl_reg);
 	}
 
 	if (f30->has_led || f30->has_gpio_driver_control) {
 		/* control 6 uses a byte per gpio/led */
 		rmi_f30_set_ctrl_data(&f30->ctrl[6], &control_address,
-					f30->gpioled_count, &ctrl_reg);
+				      f30->gpioled_count, &ctrl_reg);
 	}
 
 	if (f30->has_mappable_buttons) {
 		/* control 7 uses a byte per gpio/led */
 		rmi_f30_set_ctrl_data(&f30->ctrl[7], &control_address,
-					f30->gpioled_count, &ctrl_reg);
+				      f30->gpioled_count, &ctrl_reg);
 	}
 
 	if (f30->has_haptic) {
 		rmi_f30_set_ctrl_data(&f30->ctrl[8], &control_address,
-					f30->register_count, &ctrl_reg);
+				      f30->register_count, &ctrl_reg);
 
 		rmi_f30_set_ctrl_data(&f30->ctrl[9], &control_address,
-					sizeof(u8), &ctrl_reg);
+				      sizeof(u8), &ctrl_reg);
 	}
 
 	if (f30->has_mech_mouse_btns)
 		rmi_f30_set_ctrl_data(&f30->ctrl[10], &control_address,
-					sizeof(u8), &ctrl_reg);
+				      sizeof(u8), &ctrl_reg);
 
-	f30->ctrl_regs_size = ctrl_reg - f30->ctrl_regs
-				?: RMI_F30_CTRL_REGS_MAX_SIZE;
+	f30->ctrl_regs_size = ctrl_reg -
+				f30->ctrl_regs ?: RMI_F30_CTRL_REGS_MAX_SIZE;
 
-	retval = rmi_f30_read_control_parameters(fn, f30);
-	if (retval < 0) {
+	error = rmi_f30_read_control_parameters(fn, f30);
+	if (error) {
 		dev_err(&fn->dev,
-			"Failed to initialize F19 control params.\n");
-		return retval;
+			"Failed to initialize F30 control params: %d\n",
+			error);
+		return error;
 	}
 
-	map_memory = devm_kzalloc(&fn->dev,
-				  (f30->gpioled_count * (sizeof(u16))),
-				  GFP_KERNEL);
-	if (!map_memory) {
-		dev_err(&fn->dev, "Failed to allocate gpioled map memory.\n");
-		return -ENOMEM;
-	}
-
-	f30->gpioled_key_map = (u16 *)map_memory;
-
-	pdata = rmi_get_platform_data(rmi_dev);
 	if (f30->has_gpio) {
-		button = BTN_LEFT;
-		for (i = 0; i < f30->gpioled_count; i++) {
-			if (rmi_f30_is_valid_button(i, f30->ctrl)) {
-				f30->gpioled_key_map[i] = button++;
-
-				/*
-				 * buttonpad might be given by
-				 * f30->has_mech_mouse_btns, but I am
-				 * not sure, so use only the pdata info
-				 */
-				if (pdata->f30_data.buttonpad)
-					break;
-			}
-		}
+		error = rmi_f30_map_gpios(fn, f30);
+		if (error)
+			return error;
 	}
 
 	return 0;
···
 
 static int rmi_f30_probe(struct rmi_function *fn)
 {
-	int rc;
+	struct rmi_device *rmi_dev = fn->rmi_dev;
 	const struct rmi_device_platform_data *pdata =
-				rmi_get_platform_data(fn->rmi_dev);
+					rmi_get_platform_data(rmi_dev);
+	struct rmi_driver_data *drv_data = dev_get_drvdata(&rmi_dev->dev);
+	struct f30_data *f30;
+	int error;
 
 	if (pdata->f30_data.disable)
 		return 0;
 
-	rc = rmi_f30_initialize(fn);
-	if (rc < 0)
-		goto error_exit;
+	if (!drv_data->input) {
+		dev_info(&fn->dev, "F30: no input device found, ignoring\n");
+		return -ENXIO;
+	}
 
-	rc = rmi_f30_register_device(fn);
-	if (rc < 0)
-		goto error_exit;
+	f30 = devm_kzalloc(&fn->dev, sizeof(*f30), GFP_KERNEL);
+	if (!f30)
+		return -ENOMEM;
 
+	f30->input = drv_data->input;
+
+	error = rmi_f30_initialize(fn, f30);
+	if (error)
+		return error;
+
+	dev_set_drvdata(&fn->dev, f30);
 	return 0;
-
-error_exit:
-	return rc;
-
 }
 
 struct rmi_function_handler rmi_f30_handler = {

drivers/input/rmi4/rmi_f34.c

···
 			i + 1, block_count);
 
 		data += f34->v5.block_size;
+		f34->update_progress += f34->v5.block_size;
+		f34->update_status = (f34->update_progress * 100) /
+			f34->update_size;
 	}
 
 	return 0;
···
 				    F34_WRITE_CONFIG_BLOCK);
 }
 
-int rmi_f34_enable_flash(struct f34_data *f34)
+static int rmi_f34_enable_flash(struct f34_data *f34)
 {
 	return rmi_f34_command(f34, F34_ENABLE_FLASH_PROG,
 			       F34_ENABLE_WAIT_MS, true);
···
 				  const struct rmi_f34_firmware *syn_fw)
 {
 	struct rmi_function *fn = f34->fn;
+	u32 image_size = le32_to_cpu(syn_fw->image_size);
+	u32 config_size = le32_to_cpu(syn_fw->config_size);
 	int ret;
 
-	if (syn_fw->image_size) {
+	f34->update_progress = 0;
+	f34->update_size = image_size + config_size;
+
+	if (image_size) {
 		dev_info(&fn->dev, "Erasing firmware...\n");
 		ret = rmi_f34_command(f34, F34_ERASE_ALL,
 				      F34_ERASE_WAIT_MS, true);
···
 			return ret;
 
 		dev_info(&fn->dev, "Writing firmware (%d bytes)...\n",
-			 syn_fw->image_size);
+			 image_size);
 		ret = rmi_f34_write_firmware(f34, syn_fw->data);
 		if (ret)
 			return ret;
 	}
 
-	if (syn_fw->config_size) {
+	if (config_size) {
 		/*
 		 * We only need to erase config if we haven't updated
 		 * firmware.
 		 */
-		if (!syn_fw->image_size) {
+		if (!image_size) {
 			dev_info(&fn->dev, "Erasing config...\n");
 			ret = rmi_f34_command(f34, F34_ERASE_CONFIG,
 					      F34_ERASE_WAIT_MS, true);
···
 		}
 
 		dev_info(&fn->dev, "Writing config (%d bytes)...\n",
-			 syn_fw->config_size);
-		ret = rmi_f34_write_config(f34,
-				&syn_fw->data[syn_fw->image_size]);
+			 config_size);
+		ret = rmi_f34_write_config(f34, &syn_fw->data[image_size]);
 		if (ret)
 			return ret;
 	}
···
 	return 0;
 }
 
-int rmi_f34_update_firmware(struct f34_data *f34, const struct firmware *fw)
+static int rmi_f34_update_firmware(struct f34_data *f34,
+				   const struct firmware *fw)
 {
-	const struct rmi_f34_firmware *syn_fw;
+	const struct rmi_f34_firmware *syn_fw =
+				(const struct rmi_f34_firmware *)fw->data;
+	u32 image_size = le32_to_cpu(syn_fw->image_size);
+	u32 config_size = le32_to_cpu(syn_fw->config_size);
 	int ret;
 
-	syn_fw = (const struct rmi_f34_firmware *)fw->data;
 	BUILD_BUG_ON(offsetof(struct rmi_f34_firmware, data) !=
 			F34_FW_IMAGE_OFFSET);
 
 	rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev,
-		"FW size:%d, checksum:%08x, image_size:%d, config_size:%d\n",
-		(int)fw->size,
+		"FW size:%zd, checksum:%08x, image_size:%d, config_size:%d\n",
+		fw->size,
 		le32_to_cpu(syn_fw->checksum),
-		le32_to_cpu(syn_fw->image_size),
-		le32_to_cpu(syn_fw->config_size));
+		image_size, config_size);
 
 	rmi_dbg(RMI_DEBUG_FN, &f34->fn->dev,
 		"FW bootloader_id:%02x, product_id:%.*s, info: %02x%02x\n",
···
 		(int)sizeof(syn_fw->product_id), syn_fw->product_id,
 		syn_fw->product_info[0], syn_fw->product_info[1]);
 
-	if (syn_fw->image_size &&
-	    syn_fw->image_size != f34->v5.fw_blocks * f34->v5.block_size) {
+	if (image_size && image_size != f34->v5.fw_blocks * f34->v5.block_size) {
 		dev_err(&f34->fn->dev,
 			"Bad firmware image: fw size %d, expected %d\n",
-			syn_fw->image_size,
-			f34->v5.fw_blocks * f34->v5.block_size);
+			image_size, f34->v5.fw_blocks * f34->v5.block_size);
 		ret = -EILSEQ;
 		goto out;
 	}
 
-	if (syn_fw->config_size &&
-	    syn_fw->config_size != f34->v5.config_blocks * f34->v5.block_size) {
+	if (config_size &&
+	    config_size != f34->v5.config_blocks * f34->v5.block_size) {
 		dev_err(&f34->fn->dev,
 			"Bad firmware image: config size %d, expected %d\n",
-			syn_fw->config_size,
+			config_size,
 			f34->v5.config_blocks * f34->v5.block_size);
 		ret = -EILSEQ;
 		goto out;
 	}
 
-	if (syn_fw->image_size && !syn_fw->config_size) {
+	if (image_size && !config_size) {
 		dev_err(&f34->fn->dev, "Bad firmware image: no config data\n");
 		ret = -EILSEQ;
 		goto out;
···
 out:
 	return ret;
 }
+
+static int rmi_f34_status(struct rmi_function *fn)
+{
+	struct f34_data *f34 = dev_get_drvdata(&fn->dev);
+
+	/*
+	 * The status is the percentage complete, or once complete,
+	 * zero for success or a negative return code.
+	 */
+	return f34->update_status;
+}
+
+static ssize_t rmi_driver_bootloader_id_show(struct device *dev,
+					     struct device_attribute *dattr,
+					     char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct rmi_function *fn = data->f34_container;
+	struct f34_data *f34;
+
+	if (fn) {
+		f34 = dev_get_drvdata(&fn->dev);
+
+		if (f34->bl_version == 5)
+			return scnprintf(buf, PAGE_SIZE, "%c%c\n",
+					 f34->bootloader_id[0],
+					 f34->bootloader_id[1]);
+		else
+			return scnprintf(buf, PAGE_SIZE, "V%d.%d\n",
+					 f34->bootloader_id[1],
+					 f34->bootloader_id[0]);
+	}
+
+	return 0;
+}
+
+static DEVICE_ATTR(bootloader_id, 0444, rmi_driver_bootloader_id_show, NULL);
+
+static ssize_t rmi_driver_configuration_id_show(struct device *dev,
+						struct device_attribute *dattr,
+						char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	struct rmi_function *fn = data->f34_container;
+	struct f34_data *f34;
+
+	if (fn) {
+		f34 = dev_get_drvdata(&fn->dev);
+
+		return scnprintf(buf, PAGE_SIZE, "%s\n", f34->configuration_id);
+	}
+
+	return 0;
+}
+
+static DEVICE_ATTR(configuration_id, 0444,
+		   rmi_driver_configuration_id_show, NULL);
 
 static int rmi_firmware_update(struct rmi_driver_data *data,
 			       const struct firmware *fw)
···
 	else
 		ret = rmi_f34_update_firmware(f34, fw);
 
-	dev_info(&f34->fn->dev, "Firmware update complete, status:%d\n", ret);
+	if (ret) {
+		f34->update_status = ret;
+		dev_err(&f34->fn->dev,
+			"Firmware update failed, status: %d\n", ret);
+	} else {
+		dev_info(&f34->fn->dev, "Firmware update complete\n");
+	}
 
 	rmi_disable_irq(rmi_dev, false);
 
···
 
 	return ret;
 }
-
-static int rmi_firmware_update(struct rmi_driver_data *data,
-			       const struct firmware *fw);
 
 static ssize_t rmi_driver_update_fw_store(struct device *dev,
 					  struct device_attribute *dattr,
···
 
 static DEVICE_ATTR(update_fw, 0200, NULL, rmi_driver_update_fw_store);
 
+static ssize_t rmi_driver_update_fw_status_show(struct device *dev,
+						struct device_attribute *dattr,
+						char *buf)
+{
+	struct rmi_driver_data *data = dev_get_drvdata(dev);
+	int update_status = 0;
+
+	if (data->f34_container)
+		update_status = rmi_f34_status(data->f34_container);
+
+	return scnprintf(buf, PAGE_SIZE, "%d\n", update_status);
+}
+
+static DEVICE_ATTR(update_fw_status, 0444,
+		   rmi_driver_update_fw_status_show, NULL);
+
 static struct attribute *rmi_firmware_attrs[] = {
+	&dev_attr_bootloader_id.attr,
+	&dev_attr_configuration_id.attr,
 	&dev_attr_update_fw.attr,
+	&dev_attr_update_fw_status.attr,
 	NULL
 };
 
···
 	/* v5 code only supported version 0, try V7 probe */
 	if (version > 0)
 		return rmi_f34v7_probe(f34);
-	else if (version != 0)
-		return -ENODEV;
 
 	f34->bl_version = 5;
 

drivers/input/rmi4/rmi_f34.h

···
 	unsigned char bootloader_id[5];
 	unsigned char configuration_id[CONFIG_ID_SIZE*2 + 1];
 
+	int update_status;
+	int update_progress;
+	int update_size;
+
 	union {
 		struct f34v5_data v5;
 		struct f34v7_data v7;

drivers/input/rmi4/rmi_f34v7.c

···
 	u16 block_count;
 
 	block_count = f34->v7.img.ui_firmware.size / f34->v7.block_size;
+	f34->update_size += block_count;
 
 	if (block_count != f34->v7.blkcount.ui_firmware) {
 		dev_err(&f34->fn->dev,
···
 	u16 block_count;
 
 	block_count = f34->v7.img.ui_config.size / f34->v7.block_size;
+	f34->update_size += block_count;
 
 	if (block_count != f34->v7.blkcount.ui_config) {
 		dev_err(&f34->fn->dev, "UI config size mismatch\n");
···
 	u16 block_count;
 
 	block_count = f34->v7.img.dp_config.size / f34->v7.block_size;
+	f34->update_size += block_count;
 
 	if (block_count != f34->v7.blkcount.dp_config) {
 		dev_err(&f34->fn->dev, "Display config size mismatch\n");
···
 	u16 block_count;
 
 	block_count = f34->v7.img.guest_code.size / f34->v7.block_size;
+	f34->update_size += block_count;
+
 	if (block_count != f34->v7.blkcount.guest_code) {
 		dev_err(&f34->fn->dev, "Guest code size mismatch\n");
 		return -EINVAL;
···
 	u16 block_count;
 
 	block_count = f34->v7.img.bl_config.size / f34->v7.block_size;
+	f34->update_size += block_count;
 
 	if (block_count != f34->v7.blkcount.bl_config) {
 		dev_err(&f34->fn->dev, "Bootloader config size mismatch\n");
···
 
 		block_ptr += (transfer * f34->v7.block_size);
 		remaining -= transfer;
+		f34->update_progress += transfer;
+		f34->update_status = (f34->update_progress * 100) /
+				     f34->update_size;
 	} while (remaining);
 
 	return 0;
···
 	rmi_f34v7_read_queries_bl_version(f34);
 
 	f34->v7.image = fw->data;
+	f34->update_progress = 0;
+	f34->update_size = 0;
 
 	ret = rmi_f34v7_parse_image_info(f34);
 	if (ret < 0)

drivers/input/serio/at32psif.c

···
 
 	retval = clk_enable(psif->pclk);
 	if (retval)
-		goto out;
+		return retval;
 
 	psif_writel(psif, CR, PSIF_BIT(CR_TXEN) | PSIF_BIT(CR_RXEN));
 	psif_writel(psif, IER, PSIF_BIT(RXRDY));
 
 	psif->open = true;
-out:
 	return retval;
 }
 
···
 	int ret;
 
 	psif = kzalloc(sizeof(struct psif), GFP_KERNEL);
-	if (!psif) {
-		dev_dbg(&pdev->dev, "out of memory\n");
-		ret = -ENOMEM;
-		goto out;
-	}
+	if (!psif)
+		return -ENOMEM;
 	psif->pdev = pdev;
 
 	io = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (!io) {
-		dev_dbg(&pdev->dev, "out of memory\n");
 		ret = -ENOMEM;
 		goto out_free_psif;
 	}
···
 	kfree(io);
 out_free_psif:
 	kfree(psif);
-out:
 	return ret;
 }
 

drivers/input/serio/hyperv-keyboard.c

···
 {
 	struct hv_kbd_dev *kbd_dev = hv_get_drvdata(hv_dev);
 
-	device_init_wakeup(&hv_dev->device, false);
 	serio_unregister_port(kbd_dev->hv_serio);
 	vmbus_close(hv_dev->channel);
 	kfree(kbd_dev);

drivers/input/serio/i8042-x86ia64io.h

···
 	.name           = "i8042 kbd",
 	.id_table       = pnp_kbd_devids,
 	.probe          = i8042_pnp_kbd_probe,
+	.driver         = {
+		.probe_type = PROBE_FORCE_SYNCHRONOUS,
+		.suppress_bind_attrs = true,
+	},
 };
 
 static struct pnp_device_id pnp_aux_devids[] = {
···
 	.name           = "i8042 aux",
 	.id_table       = pnp_aux_devids,
 	.probe          = i8042_pnp_aux_probe,
+	.driver         = {
+		.probe_type = PROBE_FORCE_SYNCHRONOUS,
+		.suppress_bind_attrs = true,
+	},
 };
 
 static void i8042_pnp_exit(void)

drivers/input/serio/i8042.c

···
 
 	for (i = 0; i < ((command >> 12) & 0xf); i++) {
 		error = i8042_wait_write();
-		if (error)
+		if (error) {
+			dbg("     -- i8042 (wait write timeout)\n");
 			return error;
+		}
 		dbg("%02x -> i8042 (parameter)\n", param[i]);
 		i8042_write_data(param[i]);
 	}
···
 	for (i = 0; i < ((command >> 8) & 0xf); i++) {
 		error = i8042_wait_read();
 		if (error) {
-			dbg("     -- i8042 (timeout)\n");
+			dbg("     -- i8042 (wait read timeout)\n");
 			return error;
 		}
 

drivers/input/serio/xilinx_ps2.c

···
 	unsigned int irq;
 	int error;
 
-	dev_info(dev, "Device Tree Probing \'%s\'\n",
-			ofdev->dev.of_node->name);
+	dev_info(dev, "Device Tree Probing \'%s\'\n", dev->of_node->name);
 
 	/* Get iospace for the device */
-	error = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem);
+	error = of_address_to_resource(dev->of_node, 0, &r_mem);
 	if (error) {
 		dev_err(dev, "invalid address\n");
 		return error;
 	}
 
 	/* Get IRQ for the device */
-	irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	irq = irq_of_parse_and_map(dev->of_node, 0);
 	if (!irq) {
 		dev_err(dev, "no IRQ found\n");
 		return -ENODEV;

drivers/input/touchscreen/88pm860x-ts.c

···
 	if (!touch)
 		return -ENOMEM;
 
-	platform_set_drvdata(pdev, touch);
-
 	touch->idev = devm_input_allocate_device(&pdev->dev);
 	if (!touch->idev) {
 		dev_err(&pdev->dev, "Failed to allocate input device!\n");
···
 		return ret;
 	}
 
-	platform_set_drvdata(pdev, touch);
 	return 0;
 }
 

drivers/input/touchscreen/Kconfig

···
 	  To compile this driver as a module, choose M here: the
 	  module will be called inexio.
 
-config TOUCHSCREEN_INTEL_MID
-	tristate "Intel MID platform resistive touchscreen"
-	depends on INTEL_SCU_IPC
-	help
-	  Say Y here if you have a Intel MID based touchscreen in
-	  your system.
-
-	  If unsure, say N.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called intel_mid_touch.
-
 config TOUCHSCREEN_MK712
 	tristate "ICS MicroClock MK712 touchscreen"
 	help
···
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called tps6507x_ts.
+
+config TOUCHSCREEN_ZET6223
+	tristate "Zeitec ZET6223 touchscreen driver"
+	depends on I2C
+	help
+	  Say Y here if you have a touchscreen using Zeitec ZET6223
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called zet6223.
 
 config TOUCHSCREEN_ZFORCE
 	tristate "Neonode zForce infrared touchscreens"

drivers/input/touchscreen/Makefile

···
 obj-$(CONFIG_TOUCHSCREEN_ILI210X)	+= ili210x.o
 obj-$(CONFIG_TOUCHSCREEN_IMX6UL_TSC)	+= imx6ul_tsc.o
 obj-$(CONFIG_TOUCHSCREEN_INEXIO)	+= inexio.o
-obj-$(CONFIG_TOUCHSCREEN_INTEL_MID)	+= intel-mid-touch.o
 obj-$(CONFIG_TOUCHSCREEN_IPROC)		+= bcm_iproc_tsc.o
 obj-$(CONFIG_TOUCHSCREEN_LPC32XX)	+= lpc32xx_ts.o
 obj-$(CONFIG_TOUCHSCREEN_MAX11801)	+= max11801_ts.o
···
 obj-$(CONFIG_TOUCHSCREEN_W90X900)	+= w90p910_ts.o
 obj-$(CONFIG_TOUCHSCREEN_SX8654)	+= sx8654.o
 obj-$(CONFIG_TOUCHSCREEN_TPS6507X)	+= tps6507x-ts.o
+obj-$(CONFIG_TOUCHSCREEN_ZET6223)	+= zet6223.o
 obj-$(CONFIG_TOUCHSCREEN_ZFORCE)	+= zforce_ts.o
 obj-$(CONFIG_TOUCHSCREEN_COLIBRI_VF50)	+= colibri-vf50-ts.o
 obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023)	+= rohm_bu21023.o

drivers/input/touchscreen/ads7846.c

···
 {
 	struct ads7846 *ts = spi_get_drvdata(spi);
 
-	device_init_wakeup(&spi->dev, false);
-
 	sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group);
 
 	ads7846_disable(ts);

drivers/input/touchscreen/ar1021_i2c.c

···
 		return error;
 	}
 
-	i2c_set_clientdata(client, ar1021);
 	return 0;
 }
 

drivers/input/touchscreen/atmel-wm97xx.c

···
 	int ret;
 
 	atmel_wm97xx = kzalloc(sizeof(struct atmel_wm97xx), GFP_KERNEL);
-	if (!atmel_wm97xx) {
-		dev_dbg(&pdev->dev, "out of memory\n");
+	if (!atmel_wm97xx)
 		return -ENOMEM;
-	}
 
 	atmel_wm97xx->wm	= wm;
 	atmel_wm97xx->regs	= (void *)ATMEL_WM97XX_AC97C_IOMEM;

drivers/input/touchscreen/atmel_mxt_ts.c

···
 		dbg->t37_pages = MXT1386_COLUMNS * MXT1386_PAGES_PER_COLUMN;
 	else
 		dbg->t37_pages = DIV_ROUND_UP(data->xsize *
-					      data->info.matrix_ysize *
+					      info->matrix_ysize *
 					      sizeof(u16),
 					      sizeof(dbg->t37_buf->data));
 

drivers/input/touchscreen/bu21013_ts.c

···
 
 	kfree(bu21013_data);
 
-	device_init_wakeup(&client->dev, false);
-
 	return 0;
 }
 

drivers/input/touchscreen/colibri-vf50-ts.c

···
 		return -ENOMEM;
 	}
 
-	platform_set_drvdata(pdev, touchdev);
-
 	input->name = DRIVER_NAME;
 	input->id.bustype = BUS_HOST;
 	input->dev.parent = dev;

drivers/input/touchscreen/edt-ft5x06.c

···
 #define EDT_SWITCH_MODE_RETRIES		10
 #define EDT_SWITCH_MODE_DELAY		5 /* msec */
 #define EDT_RAW_DATA_RETRIES		100
-#define EDT_RAW_DATA_DELAY		1 /* msec */
+#define EDT_RAW_DATA_DELAY		1000 /* usec */
 
 enum edt_ver {
 	M06,
···
 	}
 
 	do {
-		msleep(EDT_RAW_DATA_DELAY);
+		usleep_range(EDT_RAW_DATA_DELAY, EDT_RAW_DATA_DELAY + 100);
 		val = edt_ft5x06_register_read(tsdata, 0x08);
 		if (val < 1)
 			break;
···
 		return error;
 	}
 
-	input_set_drvdata(input, tsdata);
 	i2c_set_clientdata(client, tsdata);
 
 	irq_flags = irq_get_trigger_type(client->irq);

drivers/input/touchscreen/eeti_ts.c

···
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv) {
 		dev_err(&client->dev, "failed to allocate driver data\n");
-		goto err0;
+		return -ENOMEM;
 	}
 
 	mutex_init(&priv->mutex);
 	input = input_allocate_device();
-
 	if (!input) {
 		dev_err(&client->dev, "Failed to allocate input device.\n");
 		goto err1;
···
 	 */
 	eeti_ts_stop(priv);
 
-	device_init_wakeup(&client->dev, 0);
 	return 0;
 
 err3:
···
 err1:
 	input_free_device(input);
 	kfree(priv);
-err0:
 	return err;
 }
 

drivers/input/touchscreen/egalax_ts.c

···
 			     ABS_MT_POSITION_Y, 0, EGALAX_MAX_Y, 0, 0);
 	input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0);
 
-	input_set_drvdata(input_dev, ts);
-
 	error = devm_request_threaded_irq(&client->dev, client->irq, NULL,
 					  egalax_ts_interrupt,
 					  IRQF_TRIGGER_LOW | IRQF_ONESHOT,
···
 	if (error)
 		return error;
 
-	i2c_set_clientdata(client, ts);
 	return 0;
 }
 

drivers/input/touchscreen/elants_i2c.c

···
 	input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
 	input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
 
-	input_set_drvdata(ts->input, ts);
-
 	error = input_register_device(ts->input);
 	if (error) {
 		dev_err(&client->dev,

drivers/input/touchscreen/fsl-imx25-tcq.c

···
 	struct device *dev = &pdev->dev;
 	struct input_dev *idev;
 	struct mx25_tcq_priv *priv;
-	struct mx25_tsadc *tsadc = dev_get_drvdata(pdev->dev.parent);
+	struct mx25_tsadc *tsadc = dev_get_drvdata(dev->parent);
 	struct resource *res;
 	void __iomem *mem;
 	int error;

drivers/input/touchscreen/ili210x.c

···
 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, xmax, 0, 0);
 	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ymax, 0, 0);
 
-	input_set_drvdata(input, priv);
 	i2c_set_clientdata(client, priv);
 
 	error = request_irq(client->irq, ili210x_irq, pdata->irq_flags,
···
 		goto err_remove_sysfs;
 	}
 
-	device_init_wakeup(&client->dev, 1);
+	device_init_wakeup(dev, 1);
 
 	dev_dbg(dev,
 		"ILI210x initialized (IRQ: %d), firmware version %d.%d.%d",

drivers/input/touchscreen/intel-mid-touch.c

···
-/*
- * Intel MID Resistive Touch Screen Driver
- *
- * Copyright (C) 2008 Intel Corp
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * Questions/Comments/Bug fixes to Sreedhara ([e-mail])
- *			    Ramesh Agarwal ([e-mail])
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * TODO:
- *	review conversion of r/m/w sequences
- */
-
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/err.h>
-#include <linux/param.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-#include <linux/delay.h>
-#include <asm/intel_scu_ipc.h>
-#include <linux/device.h>
-
-/* PMIC Interrupt registers */
-#define PMIC_REG_ID1		0x00 /* PMIC ID1 register */
-
-/* PMIC Interrupt registers */
-#define PMIC_REG_INT		0x04 /* PMIC interrupt register */
-#define PMIC_REG_MINT		0x05 /* PMIC interrupt mask register */
-
-/* ADC Interrupt registers */
-#define PMIC_REG_ADCINT		0x5F /* ADC interrupt register */
-#define PMIC_REG_MADCINT	0x60 /* ADC interrupt mask register */
-
-/* ADC Control registers */
-#define PMIC_REG_ADCCNTL1	0x61 /* ADC control register */
-
-/* ADC Channel Selection registers */
-#define PMICADDR0		0xA4
-#define END_OF_CHANNEL		0x1F
-
-/* ADC Result register */
-#define PMIC_REG_ADCSNS0H	0x64
-
-/* ADC channels for touch screen */
-#define MRST_TS_CHAN10		0xA /* Touch screen X+ connection */
-#define MRST_TS_CHAN11		0xB /* Touch screen X- connection */
-#define MRST_TS_CHAN12		0xC /* Touch screen Y+ connection */
-#define MRST_TS_CHAN13		0xD /* Touch screen Y- connection */
-
-/* Touch screen channel BIAS constants */
-#define MRST_XBIAS		0x20
-#define MRST_YBIAS		0x40
-#define MRST_ZBIAS		0x80
-
-/* Touch screen coordinates */
-#define MRST_X_MIN		10
-#define MRST_X_MAX		1024
-#define MRST_X_FUZZ		5
-#define MRST_Y_MIN		10
-#define MRST_Y_MAX		1024
-#define MRST_Y_FUZZ		5
-#define MRST_PRESSURE_MIN	0
-#define MRST_PRESSURE_NOMINAL	50
-#define MRST_PRESSURE_MAX	100
-
-#define WAIT_ADC_COMPLETION	10 /* msec */
-
-/* PMIC ADC round robin delays */
-#define ADC_LOOP_DELAY0		0x0 /* Continuous loop */
-#define ADC_LOOP_DELAY1		0x1 /* 4.5  ms approximate */
-
-/* PMIC Vendor Identifiers */
-#define PMIC_VENDOR_FS		0 /* PMIC vendor FreeScale */
-#define PMIC_VENDOR_MAXIM	1 /* PMIC vendor MAXIM */
-#define PMIC_VENDOR_NEC		2 /* PMIC vendor NEC */
-#define MRSTOUCH_MAX_CHANNELS	32 /* Maximum ADC channels */
-
-/* Touch screen device structure */
-struct mrstouch_dev {
-	struct device *dev; /* device associated with touch screen */
-	struct input_dev *input;
-	char phys[32];
-	u16 asr;		/* Address selection register */
-	int irq;
-	unsigned int vendor;	/* PMIC vendor */
-	unsigned int rev;	/* PMIC revision */
-
-	int (*read_prepare)(struct mrstouch_dev *tsdev);
-	int (*read)(struct mrstouch_dev *tsdev, u16 *x, u16 *y, u16 *z);
-	int (*read_finish)(struct mrstouch_dev *tsdev);
-};
-
-
-/*************************** NEC and Maxim Interface ************************/
-
-static int mrstouch_nec_adc_read_prepare(struct mrstouch_dev *tsdev)
-{
-	return intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0, 0x20);
-}
-
-/*
- * Enables PENDET interrupt.
- */
-static int mrstouch_nec_adc_read_finish(struct mrstouch_dev *tsdev)
-{
-	int err;
-
-	err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x20, 0x20);
-	if (!err)
-		err = intel_scu_ipc_update_register(PMIC_REG_ADCCNTL1, 0, 0x05);
-
-	return err;
-}
-
-/*
- * Reads PMIC ADC touch screen result
- * Reads ADC storage registers for higher 7 and lower 3 bits and
- * converts the two readings into a single value and turns off gain bit
- */
-static int mrstouch_ts_chan_read(u16 offset, u16 chan, u16 *vp, u16 *vm)
-{
-	int err;
-	u16 result;
-	u32 res;
-
-	result = PMIC_REG_ADCSNS0H + offset;
-
-	if (chan == MRST_TS_CHAN12)
-		result += 4;
-
-	err = intel_scu_ipc_ioread32(result, &res);
-	if (err)
-		return err;
-
-	/* Mash the bits up */
-
-	*vp = (res & 0xFF) << 3;	/* Highest 7 bits */
-	*vp |= (res >> 8) & 0x07;	/* Lower 3 bits */
-	*vp &= 0x3FF;
-
-	res >>= 16;
-
-	*vm = (res & 0xFF) << 3;	/* Highest 7 bits */
-	*vm |= (res >> 8) & 0x07;	/* Lower 3 bits */
-	*vm &= 0x3FF;
-
-	return 0;
-}
-
-/*
- * Enables X, Y and Z bias values
- * Enables YPYM for X channels and XPXM for Y channels
- */
-static int mrstouch_ts_bias_set(uint offset, uint bias)
-{
-	int count;
-	u16 chan, start;
-	u16 reg[4];
-	u8 data[4];
-
-	chan = PMICADDR0 + offset;
-	start = MRST_TS_CHAN10;
-
-	for (count = 0; count <= 3; count++) {
-		reg[count] = chan++;
-		data[count] = bias | (start + count);
-	}
-
-	return intel_scu_ipc_writev(reg, data, 4);
-}
-
-/* To read touch screen channel values */
-static int mrstouch_nec_adc_read(struct mrstouch_dev *tsdev,
-				 u16 *x, u16 *y, u16 *z)
-{
-	int err;
-	u16 xm, ym, zm;
-
-	/* configure Y bias for X channels */
-	err = mrstouch_ts_bias_set(tsdev->asr, MRST_YBIAS);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	/* read x+ and x- channels */
-	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, x, &xm);
-	if (err)
-		goto ipc_error;
-
-	/* configure x bias for y channels */
-	err = mrstouch_ts_bias_set(tsdev->asr, MRST_XBIAS);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	/* read y+ and y- channels */
-	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN12, y, &ym);
-	if (err)
-		goto ipc_error;
-
-	/* configure z bias for x and y channels */
-	err = mrstouch_ts_bias_set(tsdev->asr, MRST_ZBIAS);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	/* read z+ and z- channels */
-	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, z, &zm);
-	if (err)
-		goto ipc_error;
-
-	return 0;
-
-ipc_error:
-	dev_err(tsdev->dev, "ipc error during adc read\n");
-	return err;
-}
-
-
-/*************************** Freescale Interface ************************/
-
-static int mrstouch_fs_adc_read_prepare(struct mrstouch_dev *tsdev)
-{
-	int err, count;
-	u16 chan;
-	u16 reg[5];
-	u8 data[5];
-
-	/* Stop the ADC */
-	err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x00, 0x02);
-	if (err)
-		goto ipc_error;
-
-	chan = PMICADDR0 + tsdev->asr;
-
-	/* Set X BIAS */
-	for (count = 0; count <= 3; count++) {
-		reg[count] = chan++;
-		data[count] = 0x2A;
-	}
-	reg[count] =  chan++; /* Dummy */
-	data[count] = 0;
-
-	err = intel_scu_ipc_writev(reg, data, 5);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	/* Set Y BIAS */
-	for (count = 0; count <= 3; count++) {
-		reg[count] = chan++;
-		data[count] = 0x4A;
-	}
-	reg[count] = chan++; /* Dummy */
-	data[count] = 0;
-
-	err = intel_scu_ipc_writev(reg, data, 5);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	/* Set Z BIAS */
-	err = intel_scu_ipc_iowrite32(chan + 2, 0x8A8A8A8A);
-	if (err)
-		goto ipc_error;
-
-	msleep(WAIT_ADC_COMPLETION);
-
-	return 0;
-
-ipc_error:
-	dev_err(tsdev->dev, "ipc error during %s\n", __func__);
-	return err;
-}
-
-static int mrstouch_fs_adc_read(struct mrstouch_dev *tsdev,
-				u16 *x, u16 *y, u16 *z)
-{
-	int err;
-	u16 result;
-	u16 reg[4];
-	u8 data[4];
-
-	result = PMIC_REG_ADCSNS0H + tsdev->asr;
-
-	reg[0] = result + 4;
-	reg[1] = result + 5;
-	reg[2] = result + 16;
-	reg[3] = result + 17;
-
-	err = intel_scu_ipc_readv(reg, data, 4);
-	if (err)
-		goto ipc_error;
-
-	*x = data[0] << 3; /* Higher 7 bits */
-	*x |= data[1] & 0x7; /* Lower 3 bits */
-	*x &= 0x3FF;
-
-	*y = data[2] << 3; /* Higher 7 bits */
-	*y |= data[3] & 0x7; /* Lower 3 bits */
-	*y &= 0x3FF;
-
-	/* Read Z value */
-	reg[0] = result + 28;
-	reg[1] = result + 29;
-
-	err = intel_scu_ipc_readv(reg, data, 4);
-	if (err)
-		goto ipc_error;
-
-	*z = data[0] << 3; /* Higher 7 bits */
-	*z |= data[1] & 0x7; /* Lower 3 bits */
-	*z &= 0x3FF;
-
-	return 0;
-
-ipc_error:
-	dev_err(tsdev->dev, "ipc error during %s\n", __func__);
-	return err;
-}
-
-static int mrstouch_fs_adc_read_finish(struct mrstouch_dev *tsdev)
-{
-	int err, count;
-	u16 chan;
-	u16 reg[5];
-	u8 data[5];
-
-	/* Clear all TS channels */
-	chan = PMICADDR0 + tsdev->asr;
-	for (count = 0; count <= 4; count++) {
-		reg[count] = chan++;
-		data[count] = 0;
-	}
-	err = intel_scu_ipc_writev(reg, data, 5);
-	if (err)
-		goto ipc_error;
-
-	for (count = 0; count <= 4; count++) {
-		reg[count] = chan++;
-		data[count] = 0;
-	}
-	err = intel_scu_ipc_writev(reg, data, 5);
-	if (err)
-		goto ipc_error;
-
-	err = intel_scu_ipc_iowrite32(chan + 2, 0x00000000);
-	if (err)
-		goto ipc_error;
-
-	/* Start ADC */
-	err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, 0x02, 0x02);
-	if (err)
-		goto ipc_error;
-
-	return 0;
-
-ipc_error:
-	dev_err(tsdev->dev, "ipc error during %s\n", __func__);
-	return err;
-}
-
-static void mrstouch_report_event(struct input_dev *input,
-			unsigned int x, unsigned int y, unsigned int z)
-{
-	if (z > MRST_PRESSURE_NOMINAL) {
-		/* Pen touched, report button touch and coordinates */
-		input_report_key(input, BTN_TOUCH, 1);
-		input_report_abs(input, ABS_X, x);
-		input_report_abs(input, ABS_Y, y);
-	} else {
-		input_report_key(input, BTN_TOUCH, 0);
-	}
-
-	input_report_abs(input, ABS_PRESSURE, z);
-	input_sync(input);
-}
-
-/* PENDET interrupt handler */
-static irqreturn_t mrstouch_pendet_irq(int irq, void *dev_id)
-{
-	struct mrstouch_dev *tsdev = dev_id;
-	u16 x, y, z;
-
-	/*
-	 * Should we lower thread priority? Probably not, since we are
-	 * not spinning but sleeping...
-	 */
-
-	if (tsdev->read_prepare(tsdev))
-		goto out;
-
-	do {
-		if (tsdev->read(tsdev, &x, &y, &z))
-			break;
-
-		mrstouch_report_event(tsdev->input, x, y, z);
-	} while (z > MRST_PRESSURE_NOMINAL);
-
-	tsdev->read_finish(tsdev);
-
-out:
-	return IRQ_HANDLED;
-}
-
-/* Utility to read PMIC ID */
-static int mrstouch_read_pmic_id(uint *vendor, uint *rev)
-{
-	int err;
-	u8 r;
-
-	err = intel_scu_ipc_ioread8(PMIC_REG_ID1, &r);
-	if (err)
-		return err;
-
-	*vendor = r & 0x7;
-	*rev = (r >> 3) & 0x7;
-
-	return 0;
-}
-
-/*
- * Parse ADC channels to find end of the channel configured by other ADC user
- * NEC and MAXIM requires 4 channels and FreeScale needs 18 channels
- */
-static int mrstouch_chan_parse(struct mrstouch_dev *tsdev)
-{
-	int found = 0;
-	int err, i;
-	u8 r8;
-
-	for (i = 0; i < MRSTOUCH_MAX_CHANNELS; i++) {
-		err = intel_scu_ipc_ioread8(PMICADDR0 + i, &r8);
-		if (err)
-			return err;
-
-		if (r8 == END_OF_CHANNEL) {
-			found = i;
-			break;
-		}
-	}
-
-	if (tsdev->vendor == PMIC_VENDOR_FS) {
-		if (found > MRSTOUCH_MAX_CHANNELS - 18)
-			return -ENOSPC;
-	} else {
-		if (found > MRSTOUCH_MAX_CHANNELS - 4)
-			return -ENOSPC;
-	}
-
-	return found;
-}
-
-
-/*
- * Writes touch screen channels to ADC address selection registers
- */
-static int mrstouch_ts_chan_set(uint offset)
-{
-	u16 chan;
-
-	int ret, count;
-
-	chan = PMICADDR0 + offset;
-	for (count = 0; count <= 3; count++) {
-		ret = intel_scu_ipc_iowrite8(chan++, MRST_TS_CHAN10 + count);
-		if (ret)
-			return ret;
-	}
-	return intel_scu_ipc_iowrite8(chan++, END_OF_CHANNEL);
-}
-
-/* Initialize ADC */
-static int mrstouch_adc_init(struct mrstouch_dev *tsdev)
-{
-	int err, start;
-	u8 ra, rm;
-
-	err = mrstouch_read_pmic_id(&tsdev->vendor, &tsdev->rev);
-	if (err) {
-		dev_err(tsdev->dev, "Unable to read PMIC id\n");
-		return err;
-	}
-
-	switch (tsdev->vendor) {
-	case PMIC_VENDOR_NEC:
-	case PMIC_VENDOR_MAXIM:
-		tsdev->read_prepare = mrstouch_nec_adc_read_prepare;
-		tsdev->read = mrstouch_nec_adc_read;
-		tsdev->read_finish = mrstouch_nec_adc_read_finish;
-		break;
-
-	case PMIC_VENDOR_FS:
-		tsdev->read_prepare = mrstouch_fs_adc_read_prepare;
-		tsdev->read = mrstouch_fs_adc_read;
-		tsdev->read_finish = mrstouch_fs_adc_read_finish;
-		break;
-
-	default:
-		dev_err(tsdev->dev,
-			"Unsupported touchscreen: %d\n", tsdev->vendor);
-		return -ENXIO;
-	}
-
-	start = mrstouch_chan_parse(tsdev);
-	if (start < 0) {
-		dev_err(tsdev->dev, "Unable to parse channels\n");
-		return start;
-	}
-
-	tsdev->asr = start;
-
-	/*
-	 * ADC power on, start, enable PENDET and set loop delay
-	 * ADC loop delay is set to 4.5 ms approximately
-	 * Loop delay more than this results in jitter in adc readings
-	 * Setting loop delay to 0 (continuous loop) in MAXIM stops PENDET
-	 * interrupt generation sometimes.
-	 */
-
-	if (tsdev->vendor == PMIC_VENDOR_FS) {
-		ra = 0xE0 | ADC_LOOP_DELAY0;
-		rm = 0x5;
-	} else {
-		/* NEC and MAXIm not consistent with loop delay 0 */
-		ra = 0xE0 | ADC_LOOP_DELAY1;
-		rm = 0x0;
-
-		/* configure touch screen channels */
-		err = mrstouch_ts_chan_set(tsdev->asr);
-		if (err)
-			return err;
-	}
-
-	err = intel_scu_ipc_update_register(PMIC_REG_ADCCNTL1, ra, 0xE7);
-	if (err)
-		return err;
-
-	err = intel_scu_ipc_update_register(PMIC_REG_MADCINT, rm, 0x03);
-	if (err)
-		return err;
-
-	return 0;
-}
-
-
-/* Probe function for touch screen driver */
-static int mrstouch_probe(struct platform_device *pdev)
-{
-	struct mrstouch_dev *tsdev;
-	struct input_dev *input;
-	int err;
-	int irq;
-
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no interrupt assigned\n");
-		return -EINVAL;
-	}
-
-	tsdev = devm_kzalloc(&pdev->dev, sizeof(struct mrstouch_dev),
-			     GFP_KERNEL);
-	if (!tsdev) {
-		dev_err(&pdev->dev, "unable to allocate memory\n");
-		return -ENOMEM;
-	}
-
-	input = devm_input_allocate_device(&pdev->dev);
-	if (!input) {
-		dev_err(&pdev->dev, "unable to allocate input device\n");
-		return -ENOMEM;
-	}
-
-	tsdev->dev = &pdev->dev;
-	tsdev->input = input;
-	tsdev->irq = irq;
-
-	snprintf(tsdev->phys, sizeof(tsdev->phys),
-		 "%s/input0", dev_name(tsdev->dev));
-
-	err = mrstouch_adc_init(tsdev);
-	if (err) {
-		dev_err(&pdev->dev, "ADC initialization failed\n");
-		return err;
-	}
-
-	input->name = "mrst_touchscreen";
-	input->phys = tsdev->phys;
-	input->dev.parent = tsdev->dev;
-
-	input->id.vendor = tsdev->vendor;
-	input->id.version = tsdev->rev;
-
-	input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
-	input->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
-
-	input_set_abs_params(tsdev->input, ABS_X,
-			     MRST_X_MIN, MRST_X_MAX, MRST_X_FUZZ, 0);
-	input_set_abs_params(tsdev->input, ABS_Y,
-			     MRST_Y_MIN, MRST_Y_MAX, MRST_Y_FUZZ, 0);
-	input_set_abs_params(tsdev->input, ABS_PRESSURE,
-			     MRST_PRESSURE_MIN, MRST_PRESSURE_MAX, 0, 0);
-
-	err = devm_request_threaded_irq(&pdev->dev, tsdev->irq, NULL,
-					mrstouch_pendet_irq, IRQF_ONESHOT,
-					"mrstouch", tsdev);
-	if (err) {
-		dev_err(tsdev->dev, "unable to allocate irq\n");
-		return err;
-	}
-
-	err = input_register_device(tsdev->input);
-	if (err) {
-		dev_err(tsdev->dev, "unable to register input device\n");
-		return err;
-	}
-
-	return 0;
-}
-
-static struct platform_driver mrstouch_driver = {
-	.driver = {
-		.name	= "pmic_touch",
-	},
-	.probe		= mrstouch_probe,
-};
-module_platform_driver(mrstouch_driver);
-
-MODULE_AUTHOR("Sreedhara Murthy. D.S, [e-mail]");
-MODULE_DESCRIPTION("Intel Moorestown Resistive Touch Screen Driver");
-MODULE_LICENSE("GPL");

drivers/input/touchscreen/lpc32xx_ts.c

···
 	struct lpc32xx_tsc *tsc = platform_get_drvdata(pdev);
 	struct resource *res;
 
-	device_init_wakeup(&pdev->dev, 0);
 	free_irq(tsc->irq, tsc);
 
 	input_unregister_device(tsc->dev);

drivers/input/touchscreen/max11801_ts.c

···
 	__set_bit(BTN_TOUCH, input_dev->keybit);
 	input_set_abs_params(input_dev, ABS_X, 0, MAX11801_MAX_X, 0, 0);
 	input_set_abs_params(input_dev, ABS_Y, 0, MAX11801_MAX_Y, 0, 0);
-	input_set_drvdata(input_dev, data);
 
 	max11801_ts_phy_init(data);
 
···
 	if (error)
 		return error;
 
-	i2c_set_clientdata(client, data);
 	return 0;
 }
 

drivers/input/touchscreen/mcs5000_ts.c

···
 	input_set_abs_params(input_dev, ABS_X, 0, MCS5000_MAX_XC, 0, 0);
 	input_set_abs_params(input_dev, ABS_Y, 0, MCS5000_MAX_YC, 0, 0);
 
-	input_set_drvdata(input_dev, data);
 	data->input_dev = input_dev;
 
 	if (pdata->cfg_pin)

drivers/input/touchscreen/pixcir_i2c_ts.c

···
 		if (error)
 			return error;
 	} else {
-		dev_err(&client->dev, "platform data not defined\n");
+		dev_err(dev, "platform data not defined\n");
 		return -EINVAL;
 	}
 
···
 	input->id.bustype = BUS_I2C;
 	input->open = pixcir_input_open;
 	input->close = pixcir_input_close;
-	input->dev.parent = &client->dev;
+	input->dev.parent = dev;
 
 	if (pdata) {
 		input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);

drivers/input/touchscreen/raydium_i2c_ts.c

···
 	ts->input->name = "Raydium Touchscreen";
 	ts->input->id.bustype = BUS_I2C;
 
-	input_set_drvdata(ts->input, ts);
-
 	input_set_abs_params(ts->input, ABS_MT_POSITION_X,
 			     0, le16_to_cpu(ts->info.x_max), 0, 0);
 	input_set_abs_params(ts->input, ABS_MT_POSITION_Y,

drivers/input/touchscreen/rohm_bu21023.c

···
 	error = devm_add_action(dev, rohm_ts_remove_sysfs_group, dev);
 	if (error) {
 		rohm_ts_remove_sysfs_group(dev);
-		dev_err(&client->dev,
-			"Failed to add sysfs cleanup action: %d\n",
+		dev_err(dev, "Failed to add sysfs cleanup action: %d\n",
 			error);
 		return error;
 	}

drivers/input/touchscreen/s3c2410_ts.c

···
 
 	ts.dev = dev;
 
-	info = dev_get_platdata(&pdev->dev);
+	info = dev_get_platdata(dev);
 	if (!info) {
 		dev_err(dev, "no platform data, cannot attach\n");
 		return -EINVAL;

drivers/input/touchscreen/sis_i2c.c

···
 		return -ENOMEM;
 
 	ts->client = client;
-	i2c_set_clientdata(client, ts);
 
 	ts->attn_gpio = devm_gpiod_get_optional(&client->dev,
 						"attn", GPIOD_IN);

drivers/input/touchscreen/st1232.c

···
 {
 	struct st1232_ts_data *ts = i2c_get_clientdata(client);
 
-	device_init_wakeup(&client->dev, 0);
 	st1232_ts_power(ts, false);
 
 	return 0;

drivers/input/touchscreen/sx8654.c

···
 	if (error)
 		return error;
 
-	i2c_set_clientdata(client, sx8654);
 	return 0;
 }
 

drivers/input/touchscreen/tsc2005.c

···
  * GNU General Public License for more details.
  */
 
-#include <linux/module.h>
 #include <linux/input.h>
+#include <linux/module.h>
+#include <linux/of.h>
 #include <linux/spi/spi.h>
 #include <linux/regmap.h>
 #include "tsc200x-core.h"
···
 	return tsc200x_remove(&spi->dev);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id tsc2005_of_match[] = {
+	{ .compatible = "ti,tsc2005" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, tsc2005_of_match);
+#endif
+
 static struct spi_driver tsc2005_driver = {
 	.driver	= {
 		.name	= "tsc2005",
+		.of_match_table = of_match_ptr(tsc2005_of_match),
 		.pm	= &tsc200x_pm_ops,
 	},
 	.probe	= tsc2005_probe,

drivers/input/touchscreen/tsc200x-core.c

···
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/of.h>
-#include <linux/spi/tsc2005.h>
 #include <linux/regulator/consumer.h>
 #include <linux/regmap.h>
 #include <linux/gpio/consumer.h>
···
 	struct regulator	*vio;
 
 	struct gpio_desc	*reset_gpio;
-	void			(*set_reset)(bool enable);
 	int			(*tsc200x_cmd)(struct device *dev, u8 cmd);
 	int			irq;
 };
···
 	ts->tsc200x_cmd(ts->dev, TSC200X_CMD_STOP);
 }
 
-static void tsc200x_set_reset(struct tsc200x *ts, bool enable)
+static void tsc200x_reset(struct tsc200x *ts)
 {
-	if (ts->reset_gpio)
-		gpiod_set_value_cansleep(ts->reset_gpio, enable);
-	else if (ts->set_reset)
-		ts->set_reset(enable);
+	if (ts->reset_gpio) {
+		gpiod_set_value_cansleep(ts->reset_gpio, 1);
+		usleep_range(100, 500); /* only 10us required */
+		gpiod_set_value_cansleep(ts->reset_gpio, 0);
+	}
 }
 
 /* must be called with ts->mutex held */
···
 {
 	tsc200x_start_scan(ts);
 
-	if (ts->esd_timeout && (ts->set_reset || ts->reset_gpio)) {
+	if (ts->esd_timeout && ts->reset_gpio) {
 		ts->last_valid_interrupt = jiffies;
 		schedule_delayed_work(&ts->esd_work,
 				round_jiffies_relative(
···
 	}
 
 	/* hardware reset */
-	tsc200x_set_reset(ts, false);
-	usleep_range(100, 500); /* only 10us required */
-	tsc200x_set_reset(ts, true);
+	tsc200x_reset(ts);
 
 	if (!success)
 		goto out;
···
 	umode_t mode = attr->mode;
 
 	if (attr == &dev_attr_selftest.attr) {
-		if (!ts->set_reset && !ts->reset_gpio)
+		if (!ts->reset_gpio)
 			mode = 0;
 	}
 
···
 
 	tsc200x_update_pen_state(ts, 0, 0, 0);
 
-	tsc200x_set_reset(ts, false);
-	usleep_range(100, 500); /* only 10us required */
-	tsc200x_set_reset(ts, true);
+	tsc200x_reset(ts);
 
 	enable_irq(ts->irq);
 	tsc200x_start_scan(ts);
···
 		  struct regmap *regmap,
 		  int (*tsc200x_cmd)(struct device *dev, u8 cmd))
 {
-	const struct tsc2005_platform_data *pdata = dev_get_platdata(dev);
-	struct device_node *np = dev->of_node;
-
 	struct tsc200x *ts;
 	struct input_dev *input_dev;
-	unsigned int max_x = MAX_12BIT;
-	unsigned int max_y = MAX_12BIT;
-	unsigned int max_p = MAX_12BIT;
-	unsigned int fudge_x = TSC200X_DEF_X_FUZZ;
-	unsigned int fudge_y = TSC200X_DEF_Y_FUZZ;
-	unsigned int fudge_p = TSC200X_DEF_P_FUZZ;
-	unsigned int x_plate_ohm = TSC200X_DEF_RESISTOR;
-	unsigned int esd_timeout;
+	u32 x_plate_ohm;
+	u32 esd_timeout;
 	int error;
-
-	if (!np && !pdata) {
-		dev_err(dev, "no platform data\n");
-		return -ENODEV;
-	}
 
 	if (irq <= 0) {
 		dev_err(dev, "no irq\n");
···
 	if (!tsc200x_cmd) {
 		dev_err(dev, "no cmd function\n");
 		return -ENODEV;
-	}
-
-	if (pdata) {
-		fudge_x	= pdata->ts_x_fudge;
-		fudge_y	= pdata->ts_y_fudge;
-		fudge_p	= pdata->ts_pressure_fudge;
-		max_x	= pdata->ts_x_max;
-		max_y	= pdata->ts_y_max;
-		max_p	= pdata->ts_pressure_max;
-		x_plate_ohm = pdata->ts_x_plate_ohm;
-		esd_timeout = pdata->esd_timeout_ms;
-	} else {
-		x_plate_ohm = TSC200X_DEF_RESISTOR;
-		of_property_read_u32(np, "ti,x-plate-ohms", &x_plate_ohm);
-		esd_timeout = 0;
-		of_property_read_u32(np, "ti,esd-recovery-timeout-ms",
-								&esd_timeout);
 	}
 
 	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
···
 	ts->idev = input_dev;
 	ts->regmap = regmap;
 	ts->tsc200x_cmd = tsc200x_cmd;
-	ts->x_plate_ohm = x_plate_ohm;
-	ts->esd_timeout = esd_timeout;
+
+	error = device_property_read_u32(dev, "ti,x-plate-ohms", &x_plate_ohm);
+	ts->x_plate_ohm = error ? TSC200X_DEF_RESISTOR : x_plate_ohm;
+
+	error = device_property_read_u32(dev, "ti,esd-recovery-timeout-ms",
+					 &esd_timeout);
+	ts->esd_timeout = error ? 0 : esd_timeout;
 
 	ts->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(ts->reset_gpio)) {
···
 		return error;
 	}
 
-	ts->vio = devm_regulator_get_optional(dev, "vio");
+	ts->vio = devm_regulator_get(dev, "vio");
 	if (IS_ERR(ts->vio)) {
 		error = PTR_ERR(ts->vio);
-		dev_err(dev, "vio regulator missing (%d)", error);
+		dev_err(dev, "error acquiring vio regulator: %d", error);
 		return error;
 	}
-
-	if (!ts->reset_gpio && pdata)
-		ts->set_reset = pdata->set_reset;
 
 	mutex_init(&ts->mutex);
 
···
 
 	input_dev->phys = ts->phys;
 	input_dev->id = *tsc_id;
-	input_dev->dev.parent = dev;
-	input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
-	input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
-
-	input_set_abs_params(input_dev, ABS_X, 0, max_x, fudge_x, 0);
-	input_set_abs_params(input_dev, ABS_Y, 0, max_y, fudge_y, 0);
-	input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0);
-
-	if (np)
-		touchscreen_parse_properties(input_dev, false, NULL);
 
 	input_dev->open = tsc200x_open;
 	input_dev->close = tsc200x_close;
 
 	input_set_drvdata(input_dev, ts);
+
+	input_set_capability(input_dev, EV_KEY, BTN_TOUCH);
+
+	input_set_abs_params(input_dev, ABS_X,
+			     0, MAX_12BIT, TSC200X_DEF_X_FUZZ, 0);
+	input_set_abs_params(input_dev, ABS_Y,
+			     0, MAX_12BIT, TSC200X_DEF_Y_FUZZ, 0);
+	input_set_abs_params(input_dev, ABS_PRESSURE,
+			     0, MAX_12BIT, TSC200X_DEF_P_FUZZ, 0);
+
+	touchscreen_parse_properties(input_dev, false, NULL);
 
 	/* Ensure the touchscreen is off */
 	tsc200x_stop_scan(ts);
···
 		return error;
 	}
 
-	/* enable regulator for DT */
-	if (ts->vio) {
-		error = regulator_enable(ts->vio);
-		if (error)
-			return error;
-	}
+	error = regulator_enable(ts->vio);
+	if (error)
+		return error;
 
 	dev_set_drvdata(dev, ts);
 	error = sysfs_create_group(&dev->kobj, &tsc200x_attr_group);
···
 err_remove_sysfs:
 	sysfs_remove_group(&dev->kobj, &tsc200x_attr_group);
 disable_regulator:
-	if (ts->vio)
-		regulator_disable(ts->vio);
+	regulator_disable(ts->vio);
 	return error;
 }
 EXPORT_SYMBOL_GPL(tsc200x_probe);
···
 
 	sysfs_remove_group(&dev->kobj, &tsc200x_attr_group);
 
-	if (ts->vio)
-		regulator_disable(ts->vio);
+	regulator_disable(ts->vio);
 
 	return 0;
 }

drivers/input/touchscreen/zet6223.c

···
+/*
+ * Copyright (C) 2016, Jelle van der Waa <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+#include <asm/unaligned.h>
+
+#define ZET6223_MAX_FINGERS		16
+#define ZET6223_MAX_PKT_SIZE		(3 + 4 * ZET6223_MAX_FINGERS)
+
+#define ZET6223_CMD_INFO		0xB2
+#define ZET6223_CMD_INFO_LENGTH		17
+#define ZET6223_VALID_PACKET		0x3c
+
+#define ZET6223_POWER_ON_DELAY_MSEC	30
+
+struct zet6223_ts {
+	struct i2c_client *client;
+	struct input_dev *input;
+	struct regulator *vcc;
+	struct regulator *vio;
+	struct touchscreen_properties prop;
+	struct regulator_bulk_data supplies[2];
+	u16 max_x;
+	u16 max_y;
+	u8 fingernum;
+};
+
+static int zet6223_start(struct input_dev *dev)
+{
+	struct zet6223_ts *ts = input_get_drvdata(dev);
+
+	enable_irq(ts->client->irq);
+
+	return 0;
+}
+
+static void zet6223_stop(struct input_dev *dev)
+{
+	struct zet6223_ts *ts = input_get_drvdata(dev);
+
+	disable_irq(ts->client->irq);
+}
+
+static irqreturn_t zet6223_irq(int irq, void *dev_id)
+{
+	struct zet6223_ts *ts = dev_id;
+	u16 finger_bits;
+
+	/*
+	 * First 3 bytes are an identifier, two bytes of finger data.
+	 * X, Y data per finger is 4 bytes.
+	 */
+	u8 bufsize = 3 + 4 * ts->fingernum;
+	u8 buf[ZET6223_MAX_PKT_SIZE];
+	int i;
+	int ret;
+	int error;
+
+	ret = i2c_master_recv(ts->client, buf, bufsize);
+	if (ret != bufsize) {
+		error = ret < 0 ? ret : -EIO;
+		dev_err_ratelimited(&ts->client->dev,
+				    "Error reading input data: %d\n", error);
+		return IRQ_HANDLED;
+	}
+
+	if (buf[0] != ZET6223_VALID_PACKET)
+		return IRQ_HANDLED;
+
+	finger_bits = get_unaligned_be16(buf + 1);
+	for (i = 0; i < ts->fingernum; i++) {
+		if (!(finger_bits & BIT(15 - i)))
+			continue;
+
+		input_mt_slot(ts->input, i);
+		input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, true);
+		input_event(ts->input, EV_ABS, ABS_MT_POSITION_X,
+				((buf[i + 3] >> 4) << 8) + buf[i + 4]);
+		input_event(ts->input, EV_ABS, ABS_MT_POSITION_Y,
+				((buf[i + 3] & 0xF) << 8) + buf[i + 5]);
+	}
+
+	input_mt_sync_frame(ts->input);
+	input_sync(ts->input);
+
+	return IRQ_HANDLED;
+}
+
+static void zet6223_power_off(void *_ts)
+{
+	struct zet6223_ts *ts = _ts;
+
+	regulator_bulk_disable(ARRAY_SIZE(ts->supplies), ts->supplies);
+}
+
+static int zet6223_power_on(struct zet6223_ts *ts)
+{
+	struct device *dev = &ts->client->dev;
+	int error;
+
+	ts->supplies[0].supply = "vio";
+	ts->supplies[1].supply = "vcc";
+
+	error = devm_regulator_bulk_get(dev, ARRAY_SIZE(ts->supplies),
+					ts->supplies);
+	if (error)
+		return error;
+
+	error = regulator_bulk_enable(ARRAY_SIZE(ts->supplies), ts->supplies);
+	if (error)
+		return error;
+
+	msleep(ZET6223_POWER_ON_DELAY_MSEC);
+
+	error = devm_add_action_or_reset(dev, zet6223_power_off, ts);
+	if (error) {
+		dev_err(dev, "failed to install poweroff action: %d\n", error);
+		return error;
+	}
+
+	return 0;
+}
+
+static int zet6223_query_device(struct zet6223_ts *ts)
+{
+	u8 buf[ZET6223_CMD_INFO_LENGTH];
+	u8 cmd = ZET6223_CMD_INFO;
+	int ret;
+	int error;
+
+	ret = i2c_master_send(ts->client, &cmd, sizeof(cmd));
+	if (ret != sizeof(cmd)) {
+		error = ret < 0 ? ret : -EIO;
+		dev_err(&ts->client->dev,
+			"touchpanel info cmd failed: %d\n", error);
+		return error;
+	}
+
+	ret = i2c_master_recv(ts->client, buf, sizeof(buf));
+	if (ret != sizeof(buf)) {
+		error = ret < 0 ? ret : -EIO;
+		dev_err(&ts->client->dev,
+			"failed to retrieve touchpanel info: %d\n", error);
+		return error;
+	}
+
+	ts->fingernum = buf[15] & 0x7F;
+	if (ts->fingernum > ZET6223_MAX_FINGERS) {
+		dev_warn(&ts->client->dev,
+			 "touchpanel reports %d fingers, limiting to %d\n",
+			 ts->fingernum, ZET6223_MAX_FINGERS);
+		ts->fingernum = ZET6223_MAX_FINGERS;
+	}
+
+	ts->max_x = get_unaligned_le16(&buf[8]);
+	ts->max_y = get_unaligned_le16(&buf[10]);
+
+	return 0;
+}
+
+static int zet6223_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct zet6223_ts *ts;
+	struct input_dev *input;
+	int error;
+
+	if (!client->irq) {
+		dev_err(dev, "no irq specified\n");
+		return -EINVAL;
+	}
+
+	ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
+	if (!ts)
+		return -ENOMEM;
+
+	ts->client = client;
+
+	error = zet6223_power_on(ts);
+	if (error)
+		return error;
+
+	error = zet6223_query_device(ts);
+	if (error)
+		return error;
+
+	ts->input = input = devm_input_allocate_device(dev);
+	if (!input)
+		return -ENOMEM;
+
+	input_set_drvdata(input, ts);
+
+	input->name = client->name;
+	input->id.bustype = BUS_I2C;
+	input->open = zet6223_start;
+	input->close = zet6223_stop;
+
+	input_set_abs_params(input, ABS_MT_POSITION_X, 0, ts->max_x, 0, 0);
+	input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ts->max_y, 0, 0);
+
+	touchscreen_parse_properties(input, true, &ts->prop);
+
+	error = input_mt_init_slots(input, ts->fingernum,
+				    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
+	if (error)
+		return error;
+
+	error = devm_request_threaded_irq(dev, client->irq, NULL, zet6223_irq,
+					  IRQF_ONESHOT, client->name, ts);
+	if (error) {
+		dev_err(dev, "failed to request irq %d: %d\n",
+			client->irq, error);
+		return error;
+	}
+
+	zet6223_stop(input);
+
+	error = input_register_device(input);
+	if (error)
+		return error;
+
+	return 0;
+}
+
+static const struct of_device_id zet6223_of_match[] = {
+	{ .compatible = "zeitec,zet6223" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, zet6223_of_match);
+
+static const struct i2c_device_id zet6223_id[] = {
+	{ "zet6223", 0},
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, zet6223_id);
+
+static struct i2c_driver zet6223_driver = {
+	.driver = {
+		.name = "zet6223",
+		.of_match_table = zet6223_of_match,
+	},
+	.probe = zet6223_probe,
+	.id_table = zet6223_id
+};
+module_i2c_driver(zet6223_driver);
+
+MODULE_AUTHOR("Jelle van der Waa <[e-mail]>");
+MODULE_DESCRIPTION("ZEITEC zet622x I2C touchscreen driver");
+MODULE_LICENSE("GPL");

include/linux/i2c/mpr121_touchkey.h

···
-/* Header file for Freescale MPR121 Capacitive Touch Sensor */
-
-#ifndef _MPR121_TOUCHKEY_H
-#define _MPR121_TOUCHKEY_H
-
-/**
- * struct mpr121_platform_data - platform data for mpr121 sensor
- * @keymap: pointer to array of KEY_* values representing keymap
- * @keymap_size: size of the keymap
- * @wakeup: configure the button as a wake-up source
- * @vdd_uv: VDD voltage in uV
- */
-struct mpr121_platform_data {
-	const unsigned short *keymap;
-	unsigned int keymap_size;
-	bool wakeup;
-	int vdd_uv;
-};
-
-#endif /* _MPR121_TOUCHKEY_H */

include/linux/input/matrix_keypad.h

···
 			       unsigned int rows, unsigned int cols,
 			       unsigned short *keymap,
 			       struct input_dev *input_dev);
+int matrix_keypad_parse_properties(struct device *dev,
+				   unsigned int *rows, unsigned int *cols);
 
-#ifdef CONFIG_OF
-/**
- * matrix_keypad_parse_of_params() - Read parameters from matrix-keypad node
- *
- * @dev: Device containing of_node
- * @rows: Returns number of matrix rows
- * @cols: Returns number of matrix columns
- * @return 0 if OK, <0 on error
- */
-int matrix_keypad_parse_of_params(struct device *dev,
-				  unsigned int *rows, unsigned int *cols);
-#else
-static inline int matrix_keypad_parse_of_params(struct device *dev,
-				  unsigned int *rows, unsigned int *cols)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_OF */
+#define matrix_keypad_parse_of_params matrix_keypad_parse_properties
 
 #endif /* _MATRIX_KEYPAD_H */

include/linux/input/tca8418_keypad.h

···
-/*
- * TCA8418 keypad platform support
- *
- * Copyright (C) 2011 Fuel7, Inc.  All rights reserved.
- *
- * Author: Kyle Manna <[e-mail]>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- *
- * If you can't comply with GPLv2, alternative licensing terms may be
- * arranged. Please contact Fuel7, Inc. (http://fuel7.com/) for proprietary
- * alternative licensing inquiries.
- */
-
-#ifndef _TCA8418_KEYPAD_H
-#define _TCA8418_KEYPAD_H
-
-#include <linux/types.h>
-#include <linux/input/matrix_keypad.h>
-
-#define TCA8418_I2C_ADDR	0x34
-#define	TCA8418_NAME		"tca8418_keypad"
-
-struct tca8418_keypad_platform_data {
-	const struct matrix_keymap_data *keymap_data;
-	unsigned rows;
-	unsigned cols;
-	bool rep;
-	bool irq_is_gpio;
-};
-
-#endif

include/linux/mfd/cros_ec_commands.h

···
  *
  * Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for
  * expected response size.
+ *
+ * NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT.  If you wish
+ * to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type
+ * EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX.
  */
 #define EC_CMD_MKBP_STATE 0x60
 
-/* Provide information about the matrix : number of rows and columns */
+/*
+ * Provide information about various MKBP things.  See enum ec_mkbp_info_type.
+ */
 #define EC_CMD_MKBP_INFO 0x61
 
 struct ec_response_mkbp_info {
 	uint32_t rows;
 	uint32_t cols;
-	uint8_t switches;
+	/* Formerly "switches", which was 0. */
+	uint8_t reserved;
 } __packed;
+
+struct ec_params_mkbp_info {
+	uint8_t info_type;
+	uint8_t event_type;
+} __packed;
+
+enum ec_mkbp_info_type {
+	/*
+	 * Info about the keyboard matrix: number of rows and columns.
+	 *
+	 * Returns struct ec_response_mkbp_info.
+	 */
+	EC_MKBP_INFO_KBD = 0,
+
+	/*
+	 * For buttons and switches, info about which specifically are
+	 * supported.  event_type must be set to one of the values in enum
+	 * ec_mkbp_event.
+	 *
+	 * For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte
+	 * bitmask indicating which buttons or switches are present.  See the
+	 * bit inidices below.
+	 */
+	EC_MKBP_INFO_SUPPORTED = 1,
+
+	/*
+	 * Instantaneous state of buttons and switches.
+	 *
+	 * event_type must be set to one of the values in enum ec_mkbp_event.
+	 *
+	 * For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13]
+	 * indicating the current state of the keyboard matrix.
+	 *
+	 * For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw
+	 * event state.
+	 *
+	 * For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the
+	 * state of supported buttons.
+	 *
+	 * For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the
+	 * state of supported switches.
+	 */
+	EC_MKBP_INFO_CURRENT = 2,
+};
 
 /* Simulate key press */
 #define EC_CMD_MKBP_SIMULATE_KEY 0x62
···
 	/* New Sensor FIFO data. The event data is fifo_info structure. */
 	EC_MKBP_EVENT_SENSOR_FIFO = 2,
 
+	/* The state of the non-matrixed buttons have changed. */
+	EC_MKBP_EVENT_BUTTON = 3,
+
+	/* The state of the switches have changed. */
+	EC_MKBP_EVENT_SWITCH = 4,
+
 	/* Number of MKBP events */
 	EC_MKBP_EVENT_COUNT,
 };
···
 
 	/* Unaligned */
 	uint32_t  host_event;
+
+	uint32_t   buttons;
+	uint32_t   switches;
 } __packed;
 
 struct ec_response_get_next_event {
···
 	/* Followed by event data if any */
 	union ec_response_get_next_data data;
 } __packed;
+
+/* Bit indices for buttons and switches.*/
+/* Buttons */
+#define EC_MKBP_POWER_BUTTON	0
+#define EC_MKBP_VOL_UP		1
+#define EC_MKBP_VOL_DOWN	2
+
+/* Switches */
+#define EC_MKBP_LID_OPEN	0
+#define EC_MKBP_TABLET_MODE	1
 
 /*****************************************************************************/
 /* Temperature sensor commands */

include/linux/spi/tsc2005.h

···
-/*
- * This file is part of TSC2005 touchscreen driver
- *
- * Copyright (C) 2009-2010 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _LINUX_SPI_TSC2005_H
-#define _LINUX_SPI_TSC2005_H
-
-#include <linux/types.h>
-
-struct tsc2005_platform_data {
-	int		ts_pressure_max;
-	int		ts_pressure_fudge;
-	int		ts_x_max;
-	int		ts_x_fudge;
-	int		ts_y_max;
-	int		ts_y_fudge;
-	int		ts_x_plate_ohm;
-	unsigned int	esd_timeout_ms;
-	void		(*set_reset)(bool enable);
-};
-
-#endif

include/uapi/linux/serio.h

···
 /*
  * bit masks for use in "interrupt" flags (3rd argument)
  */
-#define SERIO_TIMEOUT	1
-#define SERIO_PARITY	2
-#define SERIO_FRAME	4
+#define SERIO_TIMEOUT	BIT(0)
+#define SERIO_PARITY	BIT(1)
+#define SERIO_FRAME	BIT(2)
+#define SERIO_OOB_DATA	BIT(3)
 
 /*
  * Serio types