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>
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 41b72fa..c5df981 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -297,9 +297,22 @@
{
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;
}
/*