V4L/DVB (4200): Disable bitrate_mode when encoding mpeg-1.
MPEG-1 always uses CBR, so make the BITRATE_MODE control inactive.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c
index 4c457dc..7cd1c4c 100644
--- a/drivers/media/video/cx2341x.c
+++ b/drivers/media/video/cx2341x.c
@@ -406,6 +406,12 @@
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
return err;
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+ err = v4l2_ctrl_query_fill_std(qctrl);
+ if (err == 0 && params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
+ qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
+ return err;
+
case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
err = v4l2_ctrl_query_fill_std(qctrl);
if (err == 0 && params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)