B43_LPPHY_AFE_CTL
b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0);
b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0x8800);
b43_phy_maskset(dev, B43_LPPHY_AFE_CTL, 0x00FF, 0x8800);