1 V4L2_CTRL_FLAG_DISABLED 2 V4L2_CTRL_FLAG_GRABBED 3 V4L2_CTRL_FLAG_READ_ONLY 4 V4L2_CTRL_FLAG_UPDATE 5 V4L2_CTRL_FLAG_INACTIVE 6 V4L2_CTRL_FLAG_SLIDER 7 V4L2_CTRL_FLAG_WRITE_ONLY 8 V4L2_CTRL_FLAG_VOLATILE 9 V4L2_CTRL_FLAG_HAS_PAYLOAD 10 V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 11 V4L2_CTRL_FLAG_MODIFY_LAYOUT 12