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ath9k: Reconfigure tx power on regulatory update 

Whenever the regulatory got updated by country IE for the world
roaming cards, need to reconfigure the tx power immediately to
increase the power level.

Reviewed-by: Sam Leffler <sleffler@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-12-08 23:59:25 +05:30 committed by John W. Linville
parent de1c732b18
commit 687f545ecf
1 changed files with 15 additions and 2 deletions
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17
drivers/net/wireless/ath/ath9k/init.c
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@ -297,9 +297,22 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ath_softc *sc = hw->priv;
struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
struct ath_hw *ah = sc->sc_ah;
struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
int ret;
return ath_reg_notifier_apply(wiphy, request, reg);
ret = ath_reg_notifier_apply(wiphy, request, reg);
/* Set tx power */
if (ah->curchan) {
sc->config.txpowlimit = 2 * ah->curchan->chan->max_power;
ath9k_ps_wakeup(sc);
ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit, false);
sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
ath9k_ps_restore(sc);
}
return ret;
}
/*