1 V4L2_CTRL_TYPE_INTEGER 2 V4L2_CTRL_TYPE_BOOLEAN 3 V4L2_CTRL_TYPE_MENU 4 V4L2_CTRL_TYPE_BUTTON 5 V4L2_CTRL_TYPE_INTEGER64 6 V4L2_CTRL_TYPE_CTRL_CLASS 7 V4L2_CTRL_TYPE_STRING 8 V4L2_CTRL_TYPE_BITMASK 9 V4L2_CTRL_TYPE_INTEGER_MENU 10 V4L2_CTRL_TYPE_U8 11 V4L2_CTRL_TYPE_U16 12 V4L2_CTRL_TYPE_U32 13
