B43_PHY_DACCTL
sav->phy_dacctl_hwpctl = b43_phy_read(dev, B43_PHY_DACCTL);
b43_phy_set(dev, B43_PHY_DACCTL, 0x40);
sav->phy_dacctl = b43_phy_read(dev, B43_PHY_DACCTL);
b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl);
b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl_hwpctl);
b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));