Merge tag 'backlight-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
"Fix-ups:
- Use new of_node_name_eq() API call

Bug Fixes:
- Internally track 'enabled' state in pwm_bl
- Fix auto-generated pwm_bl brightness tables parsed by DT

* tag 'backlight-next-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: 88pm860x_bl: Use of_node_name_eq for node name comparisons
backlight: pwm_bl: Fix devicetree parsing with auto-generated brightness tables
backlight: pwm_bl: Re-add driver internal enabled tracking

drivers/video/backlight/88pm860x_bl.c

···
 		return -ENODEV;
 	}
 	for_each_child_of_node(nproot, np) {
-		if (!of_node_cmp(np->name, name)) {
+		if (of_node_name_eq(np, name)) {
 			of_property_read_u32(np, "marvell,88pm860x-iset",
 					     &iset);
 			data->iset = PM8606_WLED_CURRENT(iset);

drivers/video/backlight/pwm_bl.c

···
 	struct device		*dev;
 	unsigned int		lth_brightness;
 	unsigned int		*levels;
+	bool			enabled;
 	struct regulator	*power_supply;
 	struct gpio_desc	*enable_gpio;
 	unsigned int		scale;
···
 	int err;
 
 	pwm_get_state(pb->pwm, &state);
-	if (state.enabled)
+	if (pb->enabled)
 		return;
 
 	err = regulator_enable(pb->power_supply);
···
 
 	if (pb->enable_gpio)
 		gpiod_set_value_cansleep(pb->enable_gpio, 1);
+
+	pb->enabled = true;
 }
 
 static void pwm_backlight_power_off(struct pwm_bl_data *pb)
···
 	struct pwm_state state;
 
 	pwm_get_state(pb->pwm, &state);
-	if (!state.enabled)
+	if (!pb->enabled)
 		return;
 
 	if (pb->enable_gpio)
···
 	pwm_apply_state(pb->pwm, &state);
 
 	regulator_disable(pb->power_supply);
+	pb->enabled = false;
 }
 
 static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness)
···
 	memset(data, 0, sizeof(*data));
 
 	/*
+	 * These values are optional and set as 0 by default, the out values
+	 * are modified only if a valid u32 value can be decoded.
+	 */
+	of_property_read_u32(node, "post-pwm-on-delay-ms",
+			     &data->post_pwm_on_delay);
+	of_property_read_u32(node, "pwm-off-delay-ms", &data->pwm_off_delay);
+
+	data->enable_gpio = -EINVAL;
+
+	/*
 	 * Determine the number of brightness levels, if this property is not
 	 * set a default table of brightness levels will be used.
 	 */
···
 		data->max_brightness--;
 	}
 
-	/*
-	 * These values are optional and set as 0 by default, the out values
-	 * are modified only if a valid u32 value can be decoded.
-	 */
-	of_property_read_u32(node, "post-pwm-on-delay-ms",
-			     &data->post_pwm_on_delay);
-	of_property_read_u32(node, "pwm-off-delay-ms", &data->pwm_off_delay);
-
-	data->enable_gpio = -EINVAL;
 	return 0;
 }
 
···
 	pb->check_fb = data->check_fb;
 	pb->exit = data->exit;
 	pb->dev = &pdev->dev;
+	pb->enabled = false;
 	pb->post_pwm_on_delay = data->post_pwm_on_delay;
 	pb->pwm_off_delay = data->pwm_off_delay;