---

yaml --- r: 134834 b: refs/heads/master c: e421c7b h: refs/heads/master v: v3
git-mirror · Feb 27, 2009 · 6e4457c · 6e4457c
1 parent f486a8a
commit 6e4457c
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Showing 3 changed files with 19 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 469002983fc90c2ff0959e2b03335c0fe2e4d5a9
+refs/heads/master: e421c7b35c17752dbe6d26d910eb2d6814073355
diff --git a/trunk/drivers/net/wireless/ath9k/eeprom.c b/trunk/drivers/net/wireless/ath9k/eeprom.c
@@ -2615,6 +2615,21 @@ static int ath9k_hw_def_set_txpower(struct ath_hw *ah,
 	else
 		ah->regulatory.max_power_level = ratesArray[i];
 
+	switch(ar5416_get_ntxchains(ah->txchainmask)) {
+	case 1:
+		break;
+	case 2:
+		ah->regulatory.max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
+		break;
+	case 3:
+		ah->regulatory.max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
+		break;
+	default:
+		DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+			"Invalid chainmask configuration\n");
+		break;
+	}
+
 	return 0;
 }
 

diff --git a/trunk/drivers/net/wireless/ath9k/eeprom.h b/trunk/drivers/net/wireless/ath9k/eeprom.h
@@ -75,6 +75,9 @@
 #define SUB_NUM_CTL_MODES_AT_5G_40 2
 #define SUB_NUM_CTL_MODES_AT_2G_40 3
 
+#define INCREASE_MAXPOW_BY_TWO_CHAIN     6  /* 10*log10(2)*2 */
+#define INCREASE_MAXPOW_BY_THREE_CHAIN   10 /* 10*log10(3)*2 */
+
 #define AR_EEPROM_MAC(i)	(0x1d+(i))
 #define ATH9K_POW_SM(_r, _s)	(((_r) & 0x3f) << (_s))
 #define FREQ2FBIN(x, y)		((y) ? ((x) - 2300) : (((x) - 4800) / 5))