2012-09-29 02:29:09 +08:00
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--- a/drivers/net/wireless/ath/ath.h
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+++ b/drivers/net/wireless/ath/ath.h
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@@ -73,6 +73,7 @@ struct ath_regulatory {
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u16 max_power_level;
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u16 current_rd;
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int16_t power_limit;
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+ int16_t max_antenna_gain;
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struct reg_dmn_pair_mapping *regpair;
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};
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--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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2013-09-08 17:38:32 +08:00
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@@ -2856,7 +2856,7 @@ void ath9k_hw_apply_txpower(struct ath_h
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2012-09-29 02:29:09 +08:00
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channel = chan->chan;
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chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
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new_pwr = min_t(int, chan_pwr, reg->power_limit);
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- max_gain = chan_pwr - new_pwr + channel->max_antenna_gain * 2;
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+ max_gain = chan_pwr - new_pwr + reg->max_antenna_gain * 2;
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ant_gain = get_antenna_gain(ah, chan);
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if (ant_gain > max_gain)
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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2013-09-08 17:38:38 +08:00
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@@ -1299,7 +1299,10 @@ static int ath9k_config(struct ieee80211
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2012-09-29 02:29:09 +08:00
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}
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if (changed & IEEE80211_CONF_CHANGE_POWER) {
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+ struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
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+
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ath_dbg(common, CONFIG, "Set power: %d\n", conf->power_level);
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+ reg->max_antenna_gain = conf->max_antenna_gain;
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sc->config.txpowlimit = 2 * conf->power_level;
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ath9k_cmn_update_txpow(ah, sc->curtxpow,
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sc->config.txpowlimit, &sc->curtxpow);
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