V4L2_CTRL_TYPE_INTEGER
V4L2_CTRL_TYPE_BOOLEAN
V4L2_CTRL_TYPE_MENU
V4L2_CTRL_TYPE_INTEGER_MENU
V4L2_CTRL_TYPE_BITMASK
V4L2_CTRL_TYPE_BUTTON
V4L2_CTRL_TYPE_INTEGER64
V4L2_CTRL_TYPE_STRING
V4L2_CTRL_TYPE_CTRL_CLASS