diff options
| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2015-02-16 08:20:01 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-03 15:55:27 +0300 |
| commit | 2f890caba6ddb8d72d485e94df74cfa7626ccb0f (patch) | |
| tree | 006024d187a32e39ff0667cb1ee35705201798d6 /drivers/net/wireless/ath/ath9k/ar9003_mci.c | |
| parent | ad1dc638725d7c5cc96a1b4556f456c303a553c7 (diff) | |
| download | linux-2f890caba6ddb8d72d485e94df74cfa7626ccb0f.tar.xz | |
ath9k: Mute BT properly
Set The BT/WLAN priority weights correctly and make sure
that MCI_LNA_TAKE is sent only for cards that share
PA/LNA.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_mci.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 133b8674c920..bd169fae32a1 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -771,8 +771,14 @@ exit: static void ar9003_mci_mute_bt(struct ath_hw *ah) { + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + /* disable all MCI messages */ REG_WRITE(ah, AR_MCI_MSG_ATTRIBUTES_TABLE, 0xffff0000); + REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS0, 0xffffffff); + REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS1, 0xffffffff); + REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS2, 0xffffffff); + REG_WRITE(ah, AR_BTCOEX_WL_WEIGHTS3, 0xffffffff); REG_SET_BIT(ah, AR_MCI_TX_CTRL, AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE); /* wait pending HW messages to flush out */ @@ -783,9 +789,10 @@ static void ar9003_mci_mute_bt(struct ath_hw *ah) * 1. reset not after resuming from full sleep * 2. before reset MCI RX, to quiet BT and avoid MCI RX misalignment */ - ar9003_mci_send_lna_take(ah, true); - - udelay(5); + if (MCI_ANT_ARCH_PA_LNA_SHARED(mci)) { + ar9003_mci_send_lna_take(ah, true); + udelay(5); + } ar9003_mci_send_sys_sleeping(ah, true); } |