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V4L/DVB (12237): mt9v011: implement VIDIOC_QUERYCTRL

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2009-07-13 01:03:37 -03:00
parent 527f09a981
commit 9873740b2f
1 changed files with 18 additions and 0 deletions
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18
drivers/media/video/mt9v011.c
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@ -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,