forked from Minki/linux
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 <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -20,7 +20,7 @@
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#include "ath9k.h"
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#include "mci.h"
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static const u8 ath_mci_duty_cycle[] = { 0, 50, 60, 70, 80, 85, 90, 95, 98 };
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static const u8 ath_mci_duty_cycle[] = { 55, 50, 60, 70, 80, 85, 90, 95, 98 };
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static struct ath_mci_profile_info*
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ath_mci_find_profile(struct ath_mci_profile *mci,
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@ -120,6 +120,8 @@ static void ath_mci_update_scheme(struct ath_softc *sc)
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if (mci_hw->config & ATH_MCI_CONFIG_DISABLE_TUNING)
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goto skip_tuning;
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btcoex->duty_cycle = ath_mci_duty_cycle[num_profile];
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if (num_profile == 1) {
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info = list_first_entry(&mci->info,
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struct ath_mci_profile_info,
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@ -178,7 +180,7 @@ skip_tuning:
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if (IS_CHAN_5GHZ(sc->sc_ah->curchan))
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return;
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btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_MAX_DUTY_CYCLE : 0);
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btcoex->duty_cycle += (mci->num_bdr ? ATH_MCI_BDR_DUTY_CYCLE : 0);
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if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE)
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btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE;
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@ -247,14 +249,12 @@ static void ath_mci_process_profile(struct ath_softc *sc,
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btcoex->btcoex_period = ATH_MCI_DEF_BT_PERIOD;
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mci->aggr_limit = mci->num_sco ? 6 : 0;
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if (NUM_PROF(mci)) {
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btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
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btcoex->duty_cycle = ath_mci_duty_cycle[NUM_PROF(mci)];
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} else {
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if (NUM_PROF(mci))
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btcoex->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
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else
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btcoex->bt_stomp_type = mci->num_mgmt ? ATH_BTCOEX_STOMP_ALL :
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ATH_BTCOEX_STOMP_LOW;
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btcoex->duty_cycle = ATH_BTCOEX_DEF_DUTY_CYCLE;
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}
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ieee80211_queue_work(sc->hw, &sc->mci_work);
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}
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