122 	struct v4l2_subdev *link_sensor;  in rk1608_get_link_sensor_timing()  local
135 		link_sensor = i2c_get_clientdata(  in rk1608_get_link_sensor_timing()
137 		if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_get_link_sensor_timing()
142 		ret = v4l2_subdev_call(link_sensor, pad, get_fmt, NULL, &fmt);  in rk1608_get_link_sensor_timing()
154 		ret = v4l2_subdev_call(link_sensor, video, g_frame_interval, &fi);  in rk1608_get_link_sensor_timing()
268 	struct v4l2_subdev *link_sensor;  in rk1608_get_fmt()  local
272 		link_sensor = i2c_get_clientdata(pdata->link_sensor_client);  in rk1608_get_fmt()
273 		if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_get_fmt()
278 		ret = v4l2_subdev_call(link_sensor, pad, get_fmt, NULL, fmt);  in rk1608_get_fmt()
373 	struct v4l2_subdev *link_sensor;  in rk1608_g_frame_interval()  local
377 		link_sensor = i2c_get_clientdata(pdata->link_sensor_client);  in rk1608_g_frame_interval()
378 		if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_g_frame_interval()
383 		ret = v4l2_subdev_call(link_sensor,  in rk1608_g_frame_interval()
432 	struct v4l2_subdev *link_sensor;  in rk1608_ioctl()  local
462 			link_sensor = i2c_get_clientdata(pdata->link_sensor_client);  in rk1608_ioctl()
463 			if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_ioctl()
467 			ret = v4l2_subdev_call(link_sensor, core, ioctl, cmd, arg);  in rk1608_ioctl()
597 	struct v4l2_subdev *link_sensor;  in rk1608_get_selection()  local
604 		link_sensor = i2c_get_clientdata(pdata->link_sensor_client);  in rk1608_get_selection()
605 		if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_get_selection()
610 		ret = v4l2_subdev_call(link_sensor, pad, get_selection, NULL, sel);  in rk1608_get_selection()
640 	struct v4l2_subdev *link_sensor;  in rk1608_enum_frame_interval()  local
643 		link_sensor = i2c_get_clientdata(pdata->link_sensor_client);  in rk1608_enum_frame_interval()
644 		if (IS_ERR_OR_NULL(link_sensor)) {  in rk1608_enum_frame_interval()
649 		ret = v4l2_subdev_call(link_sensor,  in rk1608_enum_frame_interval()