diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/saa7115.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 6cc13311bc2..4a4bc69fb0e 100644 --- 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; |