Commit a2e35af6 authored Nov 04, 2009 by Laurent Pinchart Committed by Mauro Carvalho Chehab Nov 07, 2009

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>

parent 7157fbd0

drivers/media/video/uvc/uvc_video.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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;