media: ccs: Remove analogue gain field

The analogue gain control was stored to the device specific struct but was
never used. Remove it.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ccs/ccs-core.c

@@ -777,8 +777,7 @@ static int ccs_init_controls(struct ccs_sensor *sensor)
 
 	sensor->pixel_array->ctrl_handler.lock = &sensor->mutex;
 
-	sensor->analog_gain = v4l2_ctrl_new_std(
-		&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops,
+	v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops,
 			  V4L2_CID_ANALOGUE_GAIN,
 			  CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN),
 			  CCS_LIM(sensor, ANALOG_GAIN_CODE_MAX),

drivers/media/i2c/ccs/ccs.h

@@ -262,7 +262,6 @@ struct ccs_sensor {
 	unsigned long *valid_link_freqs;
 
 	/* Pixel array controls */
-	struct v4l2_ctrl *analog_gain;
 	struct v4l2_ctrl *exposure;
 	struct v4l2_ctrl *hflip;
 	struct v4l2_ctrl *vflip;