R2057_RCAL_CONFIG
b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
b43_radio_set(dev, R2057_RCAL_CONFIG, 0x2);
b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);