V4L/DVB (3280): Added VIDIOC_QUERYCTRL to saa7115
- Added VIDIOC_QUERYCTRL to saa7115
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 6cc1331..4a4bc69 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1012,6 +1012,48 @@
/* ============ SAA7115 AUDIO settings (end) ============= */
+static struct v4l2_queryctrl saa7115_qctrl[] = {
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Brightness",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 128,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_CONTRAST,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Contrast",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 64,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_SATURATION,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Saturation",
+ .minimum = 0,
+ .maximum = 255,
+ .step = 1,
+ .default_value = 64,
+ .flags = 0,
+ }, {
+ .id = V4L2_CID_HUE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Hue",
+ .minimum = -128,
+ .maximum = 127,
+ .step = 1,
+ .default_value = 0,
+ .flags = 0,
+ },
+};
+
+/* ----------------------------------------------------------------------- */
+
static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct saa7115_state *state = i2c_get_clientdata(client);
@@ -1052,6 +1094,19 @@
case VIDIOC_S_CTRL:
return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg);
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++)
+ if (qc->id && qc->id == saa7115_qctrl[i].id) {
+ memcpy(qc, &saa7115_qctrl[i], sizeof(*qc));
+ return 0;
+ }
+ return -EINVAL;
+ }
+
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = saa7115_get_v4lstd(client);
break;