| Message ID | 20210915200525.448941-2-ribalda@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | uvcvideo: Fix hw timestamp in Sunplus modules | expand |
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index e16464606b14..77f4090f27d2 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -505,6 +505,9 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, /* To limit the amount of data, drop SCRs with an SOF identical to the * previous one. + * This filtering is also needed for supporting UVC 1.5. Where all the + * data packages of the same frame contains the same sof. In that case + * only the first one will match the host_sof. */ dev_sof = get_unaligned_le16(&data[header_size - 2]); if (dev_sof == stream->clock.last_sof)
Make a explicit reference to uvc 1.5, explaining how the algorithm supports the different behaviour of uvc 1.1 and 1.5. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/usb/uvc/uvc_video.c | 3 +++ 1 file changed, 3 insertions(+)