Commit 9873740b authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB (12237): mt9v011: implement VIDIOC_QUERYCTRL 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 527f09a9

drivers/media/video/mt9v011.c

+18 −0
Original line number Diff line number Diff line
@@ -215,6 +215,23 @@ static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) 
	return -EINVAL;

}



static int mt9v011_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)

{

	int i;



	v4l2_dbg(1, debug, sd, "queryctrl called\n");



	for (i = 0; i < ARRAY_SIZE(mt9v011_qctrl); i++)

		if (qc->id && qc->id == mt9v011_qctrl[i].id) {

			memcpy(qc, &(mt9v011_qctrl[i]),

			       sizeof(*qc));

			return 0;

		}



	return -EINVAL;

}





static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)

{

	struct mt9v011 *core = to_mt9v011(sd);
@@ -338,6 +355,7 @@ static int mt9v011_g_chip_ident(struct v4l2_subdev *sd, 
}



static const struct v4l2_subdev_core_ops mt9v011_core_ops = {

	.queryctrl = mt9v011_queryctrl,

	.g_ctrl = mt9v011_g_ctrl,

	.s_ctrl = mt9v011_s_ctrl,

	.reset = mt9v011_reset,