uvc_video_clock_host_sof  716 drivers/media/usb/uvc/uvc_video.c 	x1 = (uvc_video_clock_host_sof(first) + 2048) << 16;
uvc_video_clock_host_sof  717 drivers/media/usb/uvc/uvc_video.c 	x2 = (uvc_video_clock_host_sof(last) + 2048) << 16;