static int ov7660_get_ctrl(struct sn9c102_device *cam,
struct v4l2_control *ctrl)
{
int err = 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
ctrl->value = sn9c102_i2c_read(cam, 0x10);
if (ctrl->value < 0)
return -EIO;
break;
case V4L2_CID_DO_WHITE_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x02);
if (ctrl->value < 0)
return -EIO;
ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
break;
case V4L2_CID_RED_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x05);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x7f;
break;
case V4L2_CID_BLUE_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x06);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x7f;
break;
case SN9C102_V4L2_CID_GREEN_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x07);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x7f;
break;
case SN9C102_V4L2_CID_BAND_FILTER:
ctrl->value = sn9c102_i2c_read(cam, 0x3b);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x08;
break;
case V4L2_CID_GAIN:
ctrl->value = sn9c102_i2c_read(cam, 0x00);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x1f;
break;
case V4L2_CID_AUTOGAIN:
ctrl->value = sn9c102_i2c_read(cam, 0x13);
if (ctrl->value < 0)
return -EIO;
ctrl->value &= 0x01;
break;
default:
return -EINVAL;
}
return err ? -EIO : 0;
}
static int ov7648_get_ctrl(struct sn9c102_device* cam,
struct v4l2_control* ctrl)
{
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
return -EIO;
break;
case V4L2_CID_DO_WHITE_BALANCE:
if ((ctrl->value = sn9c102_read_reg(cam, 0x02)) < 0)
return -EIO;
ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
break;
case V4L2_CID_RED_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x05);
break;
case V4L2_CID_BLUE_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x06);
break;
case SN9C102_V4L2_CID_GREEN_BALANCE:
ctrl->value = sn9c102_read_reg(cam, 0x07);
break;
case V4L2_CID_GAIN:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
return -EIO;
ctrl->value &= 0x3f;
break;
case V4L2_CID_AUTOGAIN:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
return -EIO;
ctrl->value &= 0x01;
break;
case V4L2_CID_VFLIP:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x75)) < 0)
return -EIO;
ctrl->value = (ctrl->value & 0x80) ? 1 : 0;
break;
case SN9C102_V4L2_CID_BAND_FILTER:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x2d)) < 0)
return -EIO;
ctrl->value = (ctrl->value & 0x02) ? 1 : 0;
break;
default:
return -EINVAL;
}
return 0;
}
