From ee9a6ff6a6979c2c374b434ff1c800780b193af4 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Thu, 28 Jun 2018 12:20:48 -0400 Subject: [PATCH] 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: Philipp Zabel Signed-off-by: Marco Felsch Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/tvp5150.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 28385a1f6b1bc..cbb19001c9e42 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -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, -- 2.30.2