v4l2_subdev_release  188 drivers/media/v4l2-core/v4l2-device.c 	v4l2_subdev_release(video_get_drvdata(vdev));
v4l2_subdev_release  290 drivers/media/v4l2-core/v4l2-device.c 		v4l2_subdev_release(sd);