From: Sujith <Sujith.Manoharan@xxxxxxxxxxx>
Noisefloor values read on AR9271 are unreliable if they
are less than -114, set those statically to -116.
Signed-off-by: Sujith <Sujith.Manoharan@xxxxxxxxxxx>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/calib.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 0c3e9c8..e76dd74 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -101,6 +101,10 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ctl] [chain 0] is %d\n", nf);
+
+ if (AR_SREV_9271(ah) && (nf >= -114))
+ nf = -116;
+
nfarray[0] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
@@ -139,6 +143,10 @@ static void ath9k_hw_do_getnf(struct ath_hw *ah,
nf = 0 - ((nf ^ 0x1ff) + 1);
ath_print(common, ATH_DBG_CALIBRATE,
"NF calibrated [ext] [chain 0] is %d\n", nf);
+
+ if (AR_SREV_9271(ah) && (nf >= -114))
+ nf = -116;
+
nfarray[3] = nf;
if (!AR_SREV_9285(ah) && !AR_SREV_9271(ah)) {
--
1.6.3.3
--
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