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ath9k: Set default noise floor value for AR9287

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The default noise floor was never initialized for
AR9287.This patch helps in reporting the correct
RSSI for this version of chipset.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vivek Natarajan 2009-09-17 09:24:24 +05:30 committed by John W. Linville
parent 692e565e4b
commit 6170cd5c72
2 changed files with 3 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/calib.c
View File

@ -697,6 +697,8 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
noise_floor = AR_PHY_CCA_MAX_AR9280_GOOD_VALUE;
else if (AR_SREV_9285(ah))
noise_floor = AR_PHY_CCA_MAX_AR9285_GOOD_VALUE;
else if (AR_SREV_9287(ah))
noise_floor = AR_PHY_CCA_MAX_AR9287_GOOD_VALUE;
else
noise_floor = AR_PHY_CCA_MAX_AR5416_GOOD_VALUE;

1
drivers/net/wireless/ath/ath9k/calib.h
View File

@ -28,6 +28,7 @@ extern const struct ath9k_percal_data adc_init_dc_cal;
#define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE -85
#define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE -112
#define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE -118
#define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE -118
#define AR_PHY_CCA_MAX_HIGH_VALUE -62
#define AR_PHY_CCA_MIN_BAD_VALUE -140
#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3