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>

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 f960e8ea4f17..a6e41d12b221 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;