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authorBaoyou Xie <baoyou.xie@linaro.org>2017-09-06 22:59:48 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-08 11:32:29 -0500
commitdfc1648c576719b5a2701805aab1e208789d5969 (patch)
treec9c49af6c8c6c5936f9e56a8d2cec7911b14c9de /drivers/media/usb
parent5ba3dff4f3f4b0a3c8775d6ea48c07b11a7ad790 (diff)
downloadop-kernel-dev-dfc1648c576719b5a2701805aab1e208789d5969.zip
op-kernel-dev-dfc1648c576719b5a2701805aab1e208789d5969.tar.gz
media: uvcvideo: Mark buffer error where overflow
Some cameras post inaccurate frame where next frame data overlap it. this results in screen flicker, and it need to be prevented. So this patch marks the buffer error to discard the frame where buffer overflow. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/uvc/uvc_video.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index f4ace63..73cd44e 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1077,6 +1077,7 @@ static void uvc_video_decode_data(struct uvc_streaming *stream,
/* Complete the current frame if the buffer size was exceeded. */
if (len > maxlen) {
uvc_trace(UVC_TRACE_FRAME, "Frame complete (overflow).\n");
+ buf->error = 1;
buf->state = UVC_BUF_STATE_READY;
}
}
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