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Commit a21df45d authored by Steven Toth's avatar Steven Toth Committed by Mauro Carvalho Chehab
Browse files

[media] cx25840: Add support for g_input_status 



Allow bridge drivers to query status.

Signed-off-by: default avatarSteven Toth <stoth@kernellabs.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 0963119f

drivers/media/video/cx25840/cx25840-core.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -1741,6 +1741,21 @@ static int cx25840_g_std(struct v4l2_subdev *sd, v4l2_std_id *std) 
	return 0;

	return 0;

}

}





static int cx25840_g_input_status(struct v4l2_subdev *sd, u32 *status)

{

	struct i2c_client *client = v4l2_get_subdevdata(sd);



	/* A limited function that checks for signal status and returns

	 * the state.

	 */



	/* Check for status of Horizontal lock (SRC lock isn't reliable) */

	if ((cx25840_read4(client, 0x40c) & 0x00010000) == 0)

		*status |= V4L2_IN_ST_NO_SIGNAL;



	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);
@@ -5037,6 +5052,7 @@ static const struct v4l2_subdev_video_ops cx25840_video_ops = { 
	.s_routing = cx25840_s_video_routing,

	.s_routing = cx25840_s_video_routing,

	.s_mbus_fmt = cx25840_s_mbus_fmt,

	.s_mbus_fmt = cx25840_s_mbus_fmt,

	.s_stream = cx25840_s_stream,

	.s_stream = cx25840_s_stream,

	.g_input_status = cx25840_g_input_status,

};

};





static const struct v4l2_subdev_vbi_ops cx25840_vbi_ops = {

static const struct v4l2_subdev_vbi_ops cx25840_vbi_ops = {