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[09/31] iwlwifi: mvm: fix BT coex shared antenna activity check

Message ID 1425238304-498-9-git-send-email-emmanuel.grumbach@intel.com
State Not Applicable
Delegated to: Johannes Berg
Headers show

Commit Message

Emmanuel Grumbach March 1, 2015, 7:31 p.m. UTC
From: Eyal Shapira <eyal@wizery.com>

The shared antenna should be forbidden to use only if there's
high BT activity. Comparing to BT_OFF was effectively causing
us to always forbid using the shared antenna for SISO. This
leads to degraded performance in scenarios where the shared
antenna would have better performance.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/coex_legacy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
index d530ef3..85144d5 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
@@ -1176,7 +1176,7 @@  bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant)
 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm)
 {
 	u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading);
-	return ag == BT_OFF;
+	return ag < BT_HIGH_TRAFFIC;
 }
 
 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,