[PATCH] ath9k: ath9k_hw_set_txpowerlimit sets previous txpower
From: Bill Jordan <hidden>
Date: 2011-08-31 21:51:11
Subsystem:
atheros ath generic utilities, qualcomm atheros ath9k wireless driver, the rest · Maintainers:
Jeff Johnson, Toke Høiland-Jørgensen, Linus Torvalds
In commit 9c204b46c7af93e334114bea1f5eeaa6fea9ba07 (ath9k_hw: do not limit initial tx power to 20 dbm), setting of txpower was broken. This patch fixes it by initializing reg_pwr from the new power limit, not the previous value. Signed-off-by: Bill Jordan <redacted> --- drivers/net/wireless/ath/ath9k/hw.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 3a16ba2..fae1f30 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c@@ -2447,13 +2447,13 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test) struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah); struct ath9k_channel *chan = ah->curchan; struct ieee80211_channel *channel = chan->chan; - int reg_pwr = min_t(int, MAX_RATE_POWER, regulatory->power_limit); + int reg_pwr = min_t(int, MAX_RATE_POWER, limit); int chan_pwr = channel->max_power * 2; if (test) reg_pwr = chan_pwr = MAX_RATE_POWER; - regulatory->power_limit = min(limit, (u32) MAX_RATE_POWER); + regulatory->power_limit = reg_pwr; ah->eep_ops->set_txpower(ah, chan, ath9k_regd_get_ctl(regulatory, chan),
--
1.7.6