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media: cx25840: implement g_std operation 

This commit implements g_std operation in cx25840 driver by returning the
last set video standard.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Maciej S. Szmigiero 2019-04-29 12:16:54 -04:00 committed by Mauro Carvalho Chehab
parent 60acc4ab11
commit 763549a3cf
1 changed files with 10 additions and 0 deletions
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10
drivers/media/i2c/cx25840/cx25840-core.c
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@ -1822,6 +1822,15 @@ static int cx25840_g_input_status(struct v4l2_subdev *sd, u32 *status)
return 0; return 0;
} }
static int cx25840_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
{
struct cx25840_state *state = to_state(sd);
*std = state->std;
return 0;
}
static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std) static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{ {
struct cx25840_state *state = to_state(sd); struct cx25840_state *state = to_state(sd);
@ -5081,6 +5090,7 @@ static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
}; };
static const struct v4l2_subdev_video_ops cx25840_video_ops = { static const struct v4l2_subdev_video_ops cx25840_video_ops = {
.g_std = cx25840_g_std,
.s_std = cx25840_s_std, .s_std = cx25840_s_std,
.querystd = cx25840_querystd, .querystd = cx25840_querystd,
.s_routing = cx25840_s_video_routing, .s_routing = cx25840_s_video_routing,