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authorLaurent Pinchart <laurent.pinchart@skynet.be>2008-12-06 16:25:14 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:38:33 -0200
commit0fbd8ee6de6ac3d0b93c96da848c5bc3ccc1dc83 (patch)
treec0f3cba859ee51d84c9cafcc38f2a998f9a070fc /drivers/media/video/uvc/uvc_video.c
parentaf009cf635141858642864a26602e379e97bf7d6 (diff)
downloadblackbird-op-linux-0fbd8ee6de6ac3d0b93c96da848c5bc3ccc1dc83.tar.gz
blackbird-op-linux-0fbd8ee6de6ac3d0b93c96da848c5bc3ccc1dc83.zip
V4L/DVB (9809): uvcvideo: Add nodrop module parameter to turn incomplete frame drop off.
The driver drops incomplete uncompressed video frames to avoid confusing userspace with corrupt data. Add a nodrop module parameter to turn that behaviour off and make all frames available to userspace. Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvc_video.c')
-rw-r--r--drivers/media/video/uvc/uvc_video.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 186ef9fad80b..b7160b15e780 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -1003,7 +1003,8 @@ int uvc_video_enable(struct uvc_video_device *video, int enable)
return 0;
}
- if (video->streaming->cur_format->flags & UVC_FMT_FLAG_COMPRESSED)
+ if ((video->streaming->cur_format->flags & UVC_FMT_FLAG_COMPRESSED) ||
+ uvc_no_drop_param)
video->queue.flags &= ~UVC_QUEUE_DROP_INCOMPLETE;
else
video->queue.flags |= UVC_QUEUE_DROP_INCOMPLETE;
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