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ath9k: fix btcoex duty cycle

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* Reset duty cycle before updating btcoex scheme. Otherwise duty cycle
  reaches max limit and never be reduced again
* Adjust duty cycle with proper BDR profile value

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2012-06-12 10:13:54 +05:30 committed by John W. Linville
parent 3c7992e33a
commit a197b76c23
1 changed files with 7 additions and 7 deletions
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14
drivers/net/wireless/ath/ath9k/mci.c
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@ -20,7 +20,7 @@
#include "ath9k.h"
#include "mci.h"
static const u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 };
static const u8 ath_mci_duty_cycle[] = { 55, 50, 60, 70, 80, 85, 90, 95, 98 };
static struct ath_mci_profile_info*
ath_mci_find_profile(struct ath_mci_profile *mci,
@ -120,6 +120,8 @@ static void ath_mci_update_scheme(struct ath_softc *sc)
if (mci_hw->config & ATH_MCI_CONFIG_DISABLE_TUNING)
goto skip_tuning;
btcoex->duty_cycle = ath_mci_duty_cycle[num_profile];
if (num_profile == 1) {
info = list_first_entry(&mci->info,
struct ath_mci_profile_info,
@ -178,7 +180,7 @@ skip_tuning:
if (IS_CHAN_5GHZ(sc->sc_ah->curchan))
return;
btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_MAX_DUTY_CYCLE : 0);
btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_BDR_DUTY_CYCLE : 0);
if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE)
btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE;
@ -247,14 +249,12 @@ static void ath_mci_process_profile(struct ath_softc *sc,
btcoex->btcoex_period = ATH_MCI_DEF_BT_PERIOD;
mci->aggr_limit = mci->num_sco ? 6 : 0;
if (NUM_PROF(mci)) {
btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)];
if (NUM_PROF(mci))
btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)];
} else {
else
btcoex->bt_stomp_type = mci->num_mgmt ? ATH_BTCOEX_STOMP_ALL :
ATH_BTCOEX_STOMP_LOW;
btcoex->duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
}
ieee80211_queue_work(sc->hw, &sc->mci_work);
}