From a197b76c230725962dc8e13102b24468e8621bfb Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Tue, 12 Jun 2012 10:13:54 +0530 Subject: [PATCH 48/57] ath9k: fix btcoex duty cycle * 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/mci.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -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 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(stru 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); }