Symbol: V4L2_CTRL_CLASS_USER
usr/src/uts/common/sys/videodev2.h
885
#define V4L2_CID_BASE (V4L2_CTRL_CLASS_USER | 0x900)
usr/src/uts/common/sys/videodev2.h
890
#define V4L2_CID_USER_CLASS (V4L2_CTRL_CLASS_USER | 1)