ath9k: set up tx power into the MRR

Set up tx power for each MRR segment in the tx descriptor

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 741b38d..59af9f9 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -281,7 +281,7 @@
 
 	ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
 		| (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-		| SM(i->txpower, AR_XmitPower)
+		| SM(i->txpower, AR_XmitPower0)
 		| (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
 		| (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
 		| (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
@@ -306,6 +306,10 @@
 		| set11nRateFlags(i->rates, 2)
 		| set11nRateFlags(i->rates, 3)
 		| SM(i->rtscts_rate, AR_RTSCTSRate);
+
+	ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower, AR_XmitPower1);
+	ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower, AR_XmitPower2);
+	ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower, AR_XmitPower3);
 }
 
 static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,