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Commit 54aa9a21 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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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: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent cc7bc648

drivers/media/video/cx2341x.c

+6 −0
Original line number Diff line number Diff line
@@ -406,6 +406,12 @@ int cx2341x_ctrl_query(struct cx2341x_mpeg_params *params, struct v4l2_queryctrl 
			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)