int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
int ret;
ret = recv_control_msg(pdev, request, value, 2);
if (ret < 0)
return ret;
*data = (pdev->ctrl_buf[1] << 8) | pdev->ctrl_buf[0];
return 0;
}
int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
int ret;
ret = recv_control_msg(pdev, request, value, 1);
if (ret < 0)
return ret;
*data = ((s8 *)pdev->ctrl_buf)[0];
return 0;
}
int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
{
int ret = -1, request;
if (pdev->type < 675)
request = SENSOR_TYPE_FORMATTER1;
else if (pdev->type < 730)
return -1; /* The Vesta series doesn't have this call */
else
request = SENSOR_TYPE_FORMATTER2;
ret = recv_control_msg(pdev, GET_STATUS_CTL, request, 1);
if (ret < 0)
return ret;
if (pdev->type < 675)
*sensor = pdev->ctrl_buf[0] | 0x100;
else
*sensor = pdev->ctrl_buf[0];
return 0;
}
u32 au0828_readreg(struct au0828_dev *dev, u16 reg)
{
recv_control_msg(dev, CMD_REQUEST_IN, 0, reg, dev->ctrlmsg, 1);
dprintk(8, "%s(0x%04x) = 0x%02x\n", __func__, reg, dev->ctrlmsg[0]);
return dev->ctrlmsg[0];
}