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Commit 6170cd5c authored by Vivek Natarajan's avatar Vivek Natarajan Committed by John W. Linville
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ath9k: Set default noise floor value for AR9287 



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: default avatarVivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 692e565e

drivers/net/wireless/ath/ath9k/calib.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/ath/ath9k/calib.h

+1 −0
Original line number Diff line number Diff line
@@ -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