diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-12-13 07:40:54 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-13 20:23:33 (GMT) |
| commit | 1bf38661822049931a0ab8d2b43153b26cc919f6 (patch) | |
| tree | bea1bec029d0c8fa879dfef06a40798408c8f6dd /drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | |
| parent | 1782352d4908c79d195b43e0c1b6b109e0d93d05 (diff) | |
| download | linux-fsl-qoriq-1bf38661822049931a0ab8d2b43153b26cc919f6.tar.xz | |
ath9k_hw: fix PA predistortion training power selection
The EEPROM contains scale factors for the tx power, which define
the range of allowable difference between target power and training
power. If the difference is too big, PA predistortion cannot be used.
For 2.4 GHz there is only one scale factor, for 5 GHz there are
three, depending on the specific frequency range.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_eeprom.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 5ad37d0..4149ffb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -4798,6 +4798,19 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, /* Write target power array to registers */ ar9003_hw_tx_power_regwrite(ah, targetPowerValT2); ar9003_hw_calibration_apply(ah, chan->channel); + + if (IS_CHAN_2GHZ(chan)) { + if (IS_CHAN_HT40(chan)) + i = ALL_TARGET_HT40_0_8_16; + else + i = ALL_TARGET_HT20_0_8_16; + } else { + if (IS_CHAN_HT40(chan)) + i = ALL_TARGET_HT40_7; + else + i = ALL_TARGET_HT20_7; + } + ah->paprd_target_power = targetPowerValT2[i]; } static u16 ath9k_hw_ar9300_get_spur_channel(struct ath_hw *ah, |