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authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>2012-04-13 16:44:20 +0530
committerJohn W. Linville <linville@tuxdriver.com>2012-04-16 14:38:44 -0400
commitaf1e8a6fb4051b8f34a49d00281f09ffcb1bd256 (patch)
tree2997c7052f5aad33592d1df97ae51f02f9fb1954 /drivers
parentf9616e0f8828fba6c06d1feff1c26eaf049b1e8a (diff)
ath9k: reset noiseimmunity level to default
After the chip reset, the noise immunity levels are restored with history values. If the immunity levels are lower than the defaults, lets start with the optimal values. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 47a9fb4a116..b4c77f9d747 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -274,7 +274,9 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
aniState->rssiThrLow, aniState->rssiThrHigh);
if (aniState->update_ani)
- aniState->ofdmNoiseImmunityLevel = immunityLevel;
+ aniState->ofdmNoiseImmunityLevel =
+ (immunityLevel > ATH9K_ANI_OFDM_DEF_LEVEL) ?
+ immunityLevel : ATH9K_ANI_OFDM_DEF_LEVEL;
entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];
@@ -340,7 +342,9 @@ static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
if (aniState->update_ani)
- aniState->cckNoiseImmunityLevel = immunityLevel;
+ aniState->cckNoiseImmunityLevel =
+ (immunityLevel > ATH9K_ANI_CCK_DEF_LEVEL) ?
+ immunityLevel : ATH9K_ANI_CCK_DEF_LEVEL;
entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
entry_cck = &cck_level_table[aniState->cckNoiseImmunityLevel];