ath5k_hw_set_power_mode
ret = ath5k_hw_set_power_mode(ah, AR5K_PM_AWAKE, true, 0);
ret = ath5k_hw_set_power_mode(ah, AR5K_PM_AWAKE, true, 0);
ret = ath5k_hw_set_power_mode(ah, AR5K_PM_AWAKE, true, 0);
ret = ath5k_hw_set_power_mode(ah, AR5K_PM_AWAKE, true, 0);