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 6cc13311bc2cf15e1283c253b44944751b8578da..4a4bc69fb0e97a7e95218a3fb563d51a68e841c6 100644 (file)
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1012,6 +1012,48 @@ static void saa7115_decode_vbi_line(struct i2c_client *client,
 
 /* ============ 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 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar
        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;