mac80211: backport latest changes from trunk

[openwrt-10.03/.git] / package / mac80211 / patches / 555-ath9k_cur_txpower.patch

diff --git a/package/mac80211/patches/555-ath9k_cur_txpower.patch b/package/mac80211/patches/555-ath9k_cur_txpower.patch
new file mode 100644 (file)
index 0000000..7bc92f1
--- /dev/null
+++ b/package/mac80211/patches/555-ath9k_cur_txpower.patch
@@ -0,0 +1,35 @@
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1727,6 +1727,8 @@ static int ath9k_config(struct ieee80211
+                       return -EINVAL;
+               }
+ 
++              conf->cur_power_level = sc->curtxpow / 2;
++
+               /*
+                * The most recent snapshot of channel->noisefloor for the old
+                * channel is only available after the hardware reset. Copy it to
+@@ -1744,6 +1746,7 @@ static int ath9k_config(struct ieee80211
+               ath9k_cmn_update_txpow(ah, sc->curtxpow,
+                                      sc->config.txpowlimit, &sc->curtxpow);
+               ath9k_ps_restore(sc);
++              conf->cur_power_level = sc->curtxpow / 2;
+       }
+ 
+       if (disable_radio) {
+--- a/drivers/net/wireless/ath/ath9k/common.c
++++ b/drivers/net/wireless/ath/ath9k/common.c
+@@ -161,10 +161,12 @@ EXPORT_SYMBOL(ath9k_cmn_count_streams);
+ void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
+                           u16 new_txpow, u16 *txpower)
+ {
++      struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
++
+       if (cur_txpow != new_txpow) {
+               ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
+               /* read back in case value is clamped */
+-              *txpower = ath9k_hw_regulatory(ah)->power_limit;
++              *txpower = min_t(u16, reg->power_limit, reg->max_power_level);
+       }
+ }
+ EXPORT_SYMBOL(ath9k_cmn_update_txpow);