AR5K_PHY_SIG_FIRPWR
AR5K_PHY_SIG_FIRPWR, fr[level]);
ath5k_hw_reg_write(ah, (phy_sig & ~(AR5K_PHY_SIG_FIRPWR)) |
AR5K_REG_SM(-1, AR5K_PHY_SIG_FIRPWR), AR5K_PHY_SIG);