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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2009-11-04 11:09:12 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-11-07 12:55:14 -0200
commita2e35af6c756b5fa827fec5e0431cf2ce449beef (patch)
tree93db615bc155ccd2f1ceea2a6508351b8c72031b /drivers/media
parent7157fbd0ed1a00024fb915cfa5ed93fb4ce9dfaf (diff)
V4L/DVB (13309): uvcvideo: Ignore the FIX_BANDWIDTH for compressed video
The FIX_BANDWIDTH quirk tries to work around cameras requesting the maximum bandwidth regardless of the image size by computing a bandwidth estimate. This works only for uncompressed frames. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-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 f960e8ea4f1..a6e41d12b22 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -90,7 +90,8 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
ctrl->dwMaxVideoFrameSize =
frame->dwMaxVideoFrameBufferSize;
- if (stream->dev->quirks & UVC_QUIRK_FIX_BANDWIDTH &&
+ if (!(format->flags & UVC_FMT_FLAG_COMPRESSED) &&
+ stream->dev->quirks & UVC_QUIRK_FIX_BANDWIDTH &&
stream->intf->num_altsetting > 1) {
u32 interval;
u32 bandwidth;