ath9k: load noise floor from history after the full chip reset
authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>
Thu, 15 Sep 2011 13:32:53 +0000 (19:02 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 19 Sep 2011 19:58:25 +0000 (15:58 -0400)
Currently during the full reset, the nf calibration is always
restarted from the defaults. The noise floor history buffers are
never be used again after the scan and ath reset. This patch
ensures that nf histories are always be used that helps to
improve the signal quality on congested environment

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/ath9k/ar9002_calib.c
drivers/net/wireless/ath/ath9k/ar9003_calib.c

index 2d4c091..c527af8 100644 (file)
@@ -868,6 +868,7 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
        ar9002_hw_pa_cal(ah, true);
 
        /* Do NF Calibration after DC offset and other calibrations */
+       ath9k_hw_loadnf(ah, chan);
        ath9k_hw_start_nfcal(ah, true);
 
        if (ah->caldata)
index 695d9d3..e4b1a83 100644 (file)
@@ -885,6 +885,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
        if (txiqcal_done)
                ar9003_hw_tx_iq_cal_post_proc(ah);
 
+       ath9k_hw_loadnf(ah, chan);
        ath9k_hw_start_nfcal(ah, true);
 
        /* Initialize list pointers */