cb_pcidas_calib_write
cb_pcidas_calib_write(dev, (i << 8) | val, 11, false);
cb_pcidas_calib_write(dev, (chan << 8) | val, 11,
cb_pcidas_calib_write(dev, (chan << 8) | val, 10, true);
cb_pcidas_calib_write(dev, val, 7, true);