diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index ceb96ef..646228e 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -7591,6 +7591,10 @@
             throw new IllegalArgumentException("Illegal BluetoothProfile profile for device "
                     + previousDevice + " -> " + newDevice + ". Got: " + profile);
         }
+
+        sDeviceLogger.enqueue(new EventLogger.StringEvent("BlutoothActiveDeviceChanged for "
+                + BluetoothProfile.getProfileName(profile) + ", device update " + previousDevice
+                + " -> " + newDevice));
         AudioDeviceBroker.BtDeviceChangedData data =
                 new AudioDeviceBroker.BtDeviceChangedData(newDevice, previousDevice, info,
                         "AudioService");
@@ -9636,6 +9640,9 @@
                 }
             } else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
                 state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1);
+                sDeviceLogger.enqueue(new EventLogger.StringEvent(
+                        "BluetoothAdapter ACTION_STATE_CHANGED with state " + state));
+
                 if (state == BluetoothAdapter.STATE_OFF ||
                         state == BluetoothAdapter.STATE_TURNING_OFF) {
                     mDeviceBroker.disconnectAllBluetoothProfiles();
diff --git a/services/core/java/com/android/server/audio/BtHelper.java b/services/core/java/com/android/server/audio/BtHelper.java
index a4d26d3..b350363 100644
--- a/services/core/java/com/android/server/audio/BtHelper.java
+++ b/services/core/java/com/android/server/audio/BtHelper.java
@@ -459,6 +459,8 @@
 
     //@GuardedBy("AudioDeviceBroker.mDeviceStateLock")
     /*package*/ synchronized void onBtProfileDisconnected(int profile) {
+        AudioService.sDeviceLogger.enqueue(new EventLogger.StringEvent(
+                "BT profile " + BluetoothProfile.getProfileName(profile) + " disconnected"));
         switch (profile) {
             case BluetoothProfile.A2DP:
                 mA2dp = null;
@@ -487,6 +489,9 @@
 
     @GuardedBy("AudioDeviceBroker.mDeviceStateLock")
     /*package*/ synchronized void onBtProfileConnected(int profile, BluetoothProfile proxy) {
+        AudioService.sDeviceLogger.enqueue(new EventLogger.StringEvent(
+                "BT profile " + BluetoothProfile.getProfileName(profile) + " connected to proxy "
+                + proxy));
         if (profile == BluetoothProfile.HEADSET) {
             onHeadsetProfileConnected((BluetoothHeadset) proxy);
             return;