2009-08-26 03:09:17

by Sujith

[permalink] [raw]
Subject: [PATCH 3/4] ath9k: Handle PA cal usage properly

PA Calibration is not needed for high power solutions.

Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/calib.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index f9de16c..3234995 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -879,6 +879,11 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)

DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Running PA Calibration\n");

+ /* PA CAL is not needed for high power solution */
+ if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
+ AR5416_EEP_TXGAIN_HIGH_POWER)
+ return;
+
if (AR_SREV_9285_11(ah)) {
REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14));
udelay(10);
--
1.6.4