uvc_ioctl_enum_fmt  626 drivers/media/usb/uvc/uvc_v4l2.c 	return uvc_ioctl_enum_fmt(stream, fmt);
uvc_ioctl_enum_fmt  635 drivers/media/usb/uvc/uvc_v4l2.c 	return uvc_ioctl_enum_fmt(stream, fmt);