V4L2_CTRL_CLASS_FLASH 961 include/uapi/linux/v4l2-controls.h #define V4L2_CID_FLASH_CLASS_BASE (V4L2_CTRL_CLASS_FLASH | 0x900) V4L2_CTRL_CLASS_FLASH 962 include/uapi/linux/v4l2-controls.h #define V4L2_CID_FLASH_CLASS (V4L2_CTRL_CLASS_FLASH | 1)