diff options
| author |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-10-30 11:59:40 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-11-11 17:15:06 +0200 |
| commit | 219fb66b49fac64bb87f030c133d2d32927b6fc4 (patch) | |
| tree | ed1de7bd8d26ede5bbf5d21f87fb977edcb230bb /drivers/net/wireless/iwlwifi/mvm/coex.c | |
| parent | iwlwifi: mvm: rs: fix getting stuck in a test window (diff) | |
| download | linux-dev-219fb66b49fac64bb87f030c133d2d32927b6fc4.tar.xz linux-dev-219fb66b49fac64bb87f030c133d2d32927b6fc4.zip | |
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 <eyal@wizery.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/coex.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/coex.c | 16 |
1 files changed, 16 insertions, 0 deletions
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 */ |