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: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 3234995e8881..439f2c743d85 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -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;
 
diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
index 019bcbba40ed..9028ab193e42 100644
--- a/drivers/net/wireless/ath/ath9k/calib.h
+++ b/drivers/net/wireless/ath/ath9k/calib.h
@@ -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