Symbol: v4l2_is_known_ioctl
drivers/media/v4l2-core/v4l2-ioctl.c
3041
if (!v4l2_is_known_ioctl(cmd)) {
drivers/media/v4l2-core/v4l2-ioctl.c
3112
if (v4l2_is_known_ioctl(cmd)) {
drivers/media/v4l2-core/v4l2-ioctl.c
3292
if (v4l2_is_known_ioctl(real_cmd)) {