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ath5k: add a missing srev checks for code that lowers the synth voltage - might fix some stability issues

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27325 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-07-01 05:10:47 +00:00
parent fa26f07538
commit ff655eabc3
1 changed files with 31 additions and 0 deletions
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31
package/mac80211/patches/441-ath5k_synth_voltage_srev_check.patch Normal file
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@ -0,0 +1,31 @@
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -970,17 +970,20 @@ static int ath5k_hw_rfregs_init(struct a
}
/* Lower synth voltage on Rev 2 */
- ath5k_hw_rfb_op(ah, rf_regs, 2,
- AR5K_RF_HIGH_VC_CP, true);
+ if (ah->ah_radio == AR5K_RF5112 &&
+ (ah->ah_radio_5ghz_revision & AR5K_SREV_REV) > 0) {
+ ath5k_hw_rfb_op(ah, rf_regs, 2,
+ AR5K_RF_HIGH_VC_CP, true);
- ath5k_hw_rfb_op(ah, rf_regs, 2,
- AR5K_RF_MID_VC_CP, true);
+ ath5k_hw_rfb_op(ah, rf_regs, 2,
+ AR5K_RF_MID_VC_CP, true);
- ath5k_hw_rfb_op(ah, rf_regs, 2,
- AR5K_RF_LOW_VC_CP, true);
+ ath5k_hw_rfb_op(ah, rf_regs, 2,
+ AR5K_RF_LOW_VC_CP, true);
- ath5k_hw_rfb_op(ah, rf_regs, 2,
- AR5K_RF_PUSH_UP, true);
+ ath5k_hw_rfb_op(ah, rf_regs, 2,
+ AR5K_RF_PUSH_UP, true);
+ }
/* Decrease power consumption on 5213+ BaseBand */
if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) {