_IOC_NR 232 include/drm/drmP.h #define DRM_IOCTL_NR(n) _IOC_NR(n) _IOC_NR 192 include/media/v4l2-dev.h if (_IOC_NR(cmd) < BASE_VIDIOC_PRIVATE) _IOC_NR 193 include/media/v4l2-dev.h set_bit(_IOC_NR(cmd), vdev->disable_locking); _IOC_NR 202 include/media/v4l2-dev.h if (_IOC_NR(cmd) < BASE_VIDIOC_PRIVATE) _IOC_NR 203 include/media/v4l2-dev.h set_bit(_IOC_NR(cmd), vdev->valid_ioctls);