From 219fb66b49fac64bb87f030c133d2d32927b6fc4 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Thu, 30 Oct 2014 11:59:40 +0200 Subject: iwlwifi: mvm: rs - don't use the shared antenna when BT load is high When we need only one antenna, we should refrain from using the antenna that is shared with BT if BT load is high. Fix this. Reviewed-by: Eyal Shapira Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/coex.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/net/wireless/iwlwifi/mvm/coex.c') diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c index 508c81359e41..a3bfda45d9e6 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -1137,6 +1137,22 @@ bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, return lut_type != BT_COEX_LOOSE_LUT; } +bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant) +{ + /* there is no other antenna, shared antenna is always available */ + if (mvm->cfg->bt_shared_single_ant) + return true; + + if (ant & mvm->cfg->non_shared_ant) + return true; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); + + return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < + BT_HIGH_TRAFFIC; +} + bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm) { /* there is no other antenna, shared antenna is always available */ -- cgit v1.2.3