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Commit ee9a6ff6 authored by Philipp Zabel's avatar Philipp Zabel Committed by Mauro Carvalho Chehab
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media: tvp5150: add querystd 



Add the querystd video_op and make it return V4L2_STD_UNKNOWN while the
TVP5150 is not locked to a signal.

Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 0db87cc7

drivers/media/i2c/tvp5150.c

+10 −0
Original line number Diff line number Diff line
@@ -810,6 +810,15 @@ static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 
	}

}



static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)

{

	struct tvp5150 *decoder = to_tvp5150(sd);



	*std_id = decoder->lock ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;



	return 0;

}



static const struct v4l2_event tvp5150_ev_fmt = {

	.type = V4L2_EVENT_SOURCE_CHANGE,

	.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
@@ -1385,6 +1394,7 @@ static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 
static const struct v4l2_subdev_video_ops tvp5150_video_ops = {

	.s_std = tvp5150_s_std,

	.g_std = tvp5150_g_std,

	.querystd = tvp5150_querystd,

	.s_stream = tvp5150_s_stream,

	.s_routing = tvp5150_s_routing,

	.g_mbus_config = tvp5150_g_mbus_config,