v4l2_dbg_chip_info  258 include/media/v4l2-ioctl.h 					struct v4l2_dbg_chip_info *chip);
v4l2_dbg_chip_info 2098 include/uapi/linux/videodev2.h #define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)