V4L2_CTRL_CLASS_CAMERA 1088 include/linux/videodev2.h #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
V4L2_CTRL_CLASS_CAMERA 1089 include/linux/videodev2.h #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)