Messages in this thread Patch in this message | | | From | Ricardo Ribalda <> | Date | Tue, 20 Sep 2022 16:08:07 +0200 | Subject | [PATCH v1 1/8] media: uvc: Extend documentation of uvc_video_clock_decode() |
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Make a explicit reference to uvc 1.5, explaining how the algorithm supports the different behaviour of uvc 1.1 and 1.5.
Tested-by: hn.chen <hn.chen@sunplusit.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 170a008f4006..ab56e65ca324 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -517,6 +517,9 @@ 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) -- b4 0.11.0-dev-d93f8
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