From: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Date: Tue, 4 Jan 2011 07:47:05 +0000 (+0530)
Subject: ath9k_hw: Fix thermal issue with UB94
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=69bdacc8fbac32e4dc804ab13cafe3c1bbdcba9d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ath9k_hw: Fix thermal issue with UB94

Hardcode the output voltage of x-PA bias LDO to the lowest
value for UB94. The card doesn't get too hot now.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 088f141f2006..749a93608664 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -226,6 +226,10 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 	    eep->baseEepHeader.pwdclkind == 0)
 		ah->need_an_top2_fixup = 1;
 
+	if ((common->bus_ops->ath_bus_type == ATH_USB) &&
+	    (AR_SREV_9280(ah)))
+		eep->modalHeader[0].xpaBiasLvl = 0;
+
 	return 0;
 }