leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath5k: apply the synth voltage tweak only on AR5112 rev 2

Browse Source 
Might fix some stability issues on newer chips

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-07-12 09:01:59 +08:00 committed by John W. Linville
parent b613c7262d
commit ca8bfd94bb
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/wireless/ath/ath5k/phy.c
View File

@ -970,17 +970,20 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah,
}
/* 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) {