From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Mon, 13 Jul 2009 04:03:37 +0000 (-0300)
Subject: V4L/DVB (12237): mt9v011: implement VIDIOC_QUERYCTRL
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9873740b2f41b37ec074afd4b8910b87dbebc0db;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

V4L/DVB (12237): mt9v011: implement VIDIOC_QUERYCTRL

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/mt9v011.c b/drivers/media/video/mt9v011.c
index 1fe8fc9183a7..241382f5ba21 100644
--- a/drivers/media/video/mt9v011.c
+++ b/drivers/media/video/mt9v011.c
@@ -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,