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ath9k_hw: Fix calibration for AR9287 devices

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AR9287 based devices have issues with ADC gain calibration
which would cause uplink throughput drops in HT40 mode.
Remove ADC gain from the supported calibration algorithms.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2011-01-04 13:16:54 +05:30 committed by John W. Linville
parent 6cae913d6c
commit 07422063d4
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/ath/ath9k/ar9002_calib.c
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@ -954,6 +954,9 @@ static void ar9002_hw_init_cal_settings(struct ath_hw *ah)
&adc_dc_cal_multi_sample;
}
ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
if (AR_SREV_9287(ah))
ah->supp_cals &= ~ADC_GAIN_CAL;
}
}