soc-camera: ov772x: Modify buswidth control

This patch removes "buswidth" struct member, and sets the default buswidth
to the natively supported 10 bit. You can select 8 bit buswidth by new flag.
This patch also modify ap325rxa/migor setup.c

Signed-off-by: Kuninori Morimoto <[e-mail]>
Signed-off-by: Guennadi Liakhovetski <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

arch/sh/boards/mach-ap325rxa/setup.c

···
 };
 
 static struct ov772x_camera_info ov7725_info = {
-	.buswidth	= SOCAM_DATAWIDTH_8,
-	.flags		= OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
+	.flags		= OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP | \
+			  OV772X_FLAG_8BIT,
 	.edgectrl	= OV772X_AUTO_EDGECTRL(0xf, 0),
 };
 

arch/sh/boards/mach-migor/setup.c

···
 };
 
 static struct ov772x_camera_info ov7725_info = {
-	.buswidth	= SOCAM_DATAWIDTH_8,
+	.flags		= OV772X_FLAG_8BIT,
 };
 
 static struct soc_camera_link ov7725_link = {

drivers/media/video/ov772x.c

···
 	},
 };
 
-
 /*
  * general function
  */
···
 	struct soc_camera_link *icl = to_soc_camera_link(icd);
 	unsigned long flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_MASTER |
 		SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_HIGH |
-		SOCAM_DATA_ACTIVE_HIGH | priv->info->buswidth;
+		SOCAM_DATA_ACTIVE_HIGH;
+
+	if (priv->info->flags & OV772X_FLAG_8BIT)
+		flags |= SOCAM_DATAWIDTH_8;
+	else
+		flags |= SOCAM_DATAWIDTH_10;
 
 	return soc_camera_apply_sensor_flags(icl, flags);
 }
···
 		return -ENODEV;
 
 	/*
-	 * ov772x only use 8 or 10 bit bus width
-	 */
-	if (SOCAM_DATAWIDTH_10 != priv->info->buswidth &&
-	    SOCAM_DATAWIDTH_8  != priv->info->buswidth) {
-		dev_err(&client->dev, "bus width error\n");
-		return -ENODEV;
-	}
-
-	/*
 	 * check and show product ID and manufacturer ID
 	 */
 	pid = i2c_smbus_read_byte_data(client, PID);
···
 			const struct i2c_device_id *did)
 {
 	struct ov772x_priv        *priv;
-	struct ov772x_camera_info *info;
 	struct soc_camera_device  *icd = client->dev.platform_data;
 	struct i2c_adapter        *adapter = to_i2c_adapter(client->dev.parent);
 	struct soc_camera_link    *icl;
···
 	if (!icl || !icl->priv)
 		return -EINVAL;
 
-	info = icl->priv;
-
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
 		dev_err(&adapter->dev,
 			"I2C-Adapter doesn't support "
···
 	if (!priv)
 		return -ENOMEM;
 
-	priv->info = info;
+	priv->info = icl->priv;
 
 	v4l2_i2c_subdev_init(&priv->subdev, client, &ov772x_subdev_ops);
 

include/media/ov772x.h

···
 #include <media/soc_camera.h>
 
 /* for flags */
-#define OV772X_FLAG_VFLIP     0x00000001 /* Vertical flip image */
-#define OV772X_FLAG_HFLIP     0x00000002 /* Horizontal flip image */
+#define OV772X_FLAG_VFLIP	(1 << 0) /* Vertical flip image */
+#define OV772X_FLAG_HFLIP	(1 << 1) /* Horizontal flip image */
+#define OV772X_FLAG_8BIT	(1 << 2) /* default 10 bit */
 
 /*
  * for Edge ctrl
···
  * ov772x camera info
  */
 struct ov772x_camera_info {
-	unsigned long          buswidth;
-	unsigned long          flags;
-	struct ov772x_edge_ctrl edgectrl;
+	unsigned long		flags;
+	struct ov772x_edge_ctrl	edgectrl;
 };
 
 #endif /* __OV772X_H__ */