[3/5] ath5k: Track current TX power separately from max TX power

Commit Message

Bruno Randolf Dec. 21, 2010, 8:30 a.m. UTC

None

Patch

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index e6491bf..342da28 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1107,6 +1107,7 @@  struct ath5k_hw {
 		/* Values in 0.25dB units */
 		s16		txp_min_pwr;
 		s16		txp_max_pwr;
+		s16		txp_cur_pwr;
 		/* Values in 0.5dB units */
 		s16		txp_offset;
 		s16		txp_ofdm;
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 6f0cf3a..18c58cd 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -3096,7 +3096,7 @@  ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
 
 	/* Min/max in 0.25dB units */
 	ah->ah_txpower.txp_min_pwr = 2 * rates[7];
-	ah->ah_txpower.txp_max_pwr = 2 * rates[0];
+	ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
 	ah->ah_txpower.txp_ofdm = rates[7];
 }
 
@@ -3150,8 +3150,6 @@  ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		/* Reset TX power values */
 		memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
 		ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
-		ah->ah_txpower.txp_min_pwr = 0;
-		ah->ah_txpower.txp_max_pwr = AR5K_TUNE_MAX_TXPOWER;
 
 		/* Calculate the powertable */
 		ret = ath5k_setup_channel_powertable(ah, channel,
@@ -3290,7 +3288,8 @@  int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 	 * properly set curve indices.
 	 */
 	ret = ath5k_hw_txpower(ah, channel, ee_mode,
-				ah->ah_txpower.txp_max_pwr / 2);
+		ah->ah_txpower.txp_cur_pwr ?
+			ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER);
 	if (ret)
 		return ret;