diff options
Diffstat (limited to 'package/kernel/mac80211/patches/306-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/306-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/306-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch b/package/kernel/mac80211/patches/306-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch new file mode 100644 index 0000000000..956ab83903 --- /dev/null +++ b/package/kernel/mac80211/patches/306-Revert-ath9k-interpret-requested-txpower-in-EIRP-dom.patch @@ -0,0 +1,37 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 14 May 2016 14:51:02 +0200 +Subject: [PATCH] Revert "ath9k: interpret requested txpower in EIRP + domain" + +This reverts commit 71f5137bf010c6faffab50c0ec15374c59c4a411. +--- + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -2931,7 +2931,8 @@ void ath9k_hw_apply_txpower(struct ath_h + { + struct ath_regulatory *reg = ath9k_hw_regulatory(ah); + struct ieee80211_channel *channel; +- int chan_pwr, new_pwr; ++ int chan_pwr, new_pwr, max_gain; ++ int ant_gain, ant_reduction = 0; + + if (!chan) + return; +@@ -2939,10 +2940,15 @@ void ath9k_hw_apply_txpower(struct ath_h + channel = chan->chan; + chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER); + new_pwr = min_t(int, chan_pwr, reg->power_limit); ++ max_gain = chan_pwr - new_pwr + channel->max_antenna_gain * 2; ++ ++ ant_gain = get_antenna_gain(ah, chan); ++ if (ant_gain > max_gain) ++ ant_reduction = ant_gain - max_gain; + + ah->eep_ops->set_txpower(ah, chan, + ath9k_regd_get_ctl(reg, chan), +- get_antenna_gain(ah, chan), new_pwr, test); ++ ant_reduction, new_pwr, test); + } + + void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test) |