media: staging: atomisp: Remove ->gpio_ctrl() callback

There is redundant callback which does nothing in upstreamed version of
the driver.

Remove it along with user call places.

Mostly done with help of coccinelle.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/atomisp/i2c/atomisp-gc0310.c

@@ -771,10 +771,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	/* GPIO0 == "reset" (active low), GPIO1 == "power down" */
 	if (flag) {
 		/* Pulse reset, then release power down */

drivers/staging/media/atomisp/i2c/atomisp-gc2235.c

@@ -571,10 +571,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	ret |= dev->platform_data->gpio1_ctrl(sd, !flag);
 	usleep_range(60, 90);
 	return dev->platform_data->gpio0_ctrl(sd, flag);

drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c

@@ -480,10 +480,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	/* Note: current modules wire only one GPIO signal (RESET#),
 	 * but the schematic wires up two to the connector.  BIOS
 	 * versions have been unfortunately inconsistent with which

drivers/staging/media/atomisp/i2c/atomisp-ov2680.c

@@ -871,10 +871,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	/* The OV2680 documents only one GPIO input (#XSHUTDN), but
 	 * existing integrations often wire two (reset/power_down)
 	 * because that is the way other sensors work.  There is no

drivers/staging/media/atomisp/i2c/atomisp-ov2722.c

@@ -677,10 +677,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	/* Note: the GPIO order is asymmetric: always RESET#
 	 * before PWDN# when turning it on or off.
 	 */

drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c

@@ -1332,10 +1332,6 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	return dev->platform_data->gpio0_ctrl(sd, flag);
 }
 

drivers/staging/media/atomisp/i2c/ov8858.c

@@ -767,10 +767,6 @@ static int __gpio_ctrl(struct v4l2_subdev *sd, bool flag)
 	if (!client || !dev || !dev->platform_data)
 		return -ENODEV;
 
-	/* Non-gmin platforms use the legacy callback */
-	if (dev->platform_data->gpio_ctrl)
-		return dev->platform_data->gpio_ctrl(sd, flag);
-
 	if (dev->platform_data->gpio0_ctrl)
 		return dev->platform_data->gpio0_ctrl(sd, flag);
 

drivers/staging/media/atomisp/include/linux/atomisp_platform.h

@@ -205,7 +205,6 @@ struct camera_vcm_control {
 };
 
 struct camera_sensor_platform_data {
-	int (*gpio_ctrl)(struct v4l2_subdev *subdev, int flag);
 	int (*flisclk_ctrl)(struct v4l2_subdev *subdev, int flag);
 	int (*power_ctrl)(struct v4l2_subdev *subdev, int flag);
 	int (*csi_cfg)(struct v4l2_subdev *subdev, int flag);
@@ -214,7 +213,6 @@ struct camera_sensor_platform_data {
 	int (*platform_deinit)(void);
 	char *(*msr_file_name)(void);
 	struct atomisp_camera_caps *(*get_camera_caps)(void);
-	int (*gpio_intr_ctrl)(struct v4l2_subdev *subdev);
 
 	/* New G-Min power and GPIO interface, replaces
 	 * power/gpio_ctrl with methods to control individual