am 75cd6c5e: Merge "Add a system API to query hdmi system audio mode" into lmp-dev

* commit '75cd6c5eb3e02101ddbb9fe21a641e312e5cc004':
  Add a system API to query hdmi system audio mode

media/java/android/media/AudioManager.java

@@ -19,6 +19,7 @@ package android.media;
 import android.Manifest;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
+import android.annotation.SystemApi;
 import android.app.PendingIntent;
 import android.bluetooth.BluetoothDevice;
 import android.content.ComponentName;
@@ -3157,6 +3158,21 @@ public class AudioManager {
         }
     }
 
+    /**
+     * Returns true if Hdmi Cec system audio mode is supported.
+     *
+     * @hide
+     */
+    @SystemApi
+    public boolean isHdmiSystemAudioSupported() {
+        try {
+            return getService().isHdmiSystemAudioSupported();
+        } catch (RemoteException e) {
+            Log.w(TAG, "Error querying system audio mode", e);
+            return false;
+        }
+    }
+
     /**
      * Return codes for listAudioPorts(), createAudioPatch() ...
      */

media/java/android/media/AudioService.java

@@ -5105,6 +5105,11 @@ public class AudioService extends IAudioService.Stub {
         return device;
     }
 
+    @Override
+    public boolean isHdmiSystemAudioSupported() {
+        return mHdmiSystemAudioSupported;
+    }
+
     //==========================================================================================
     // Camera shutter sound policy.
     // config_camera_sound_forced configuration option in config.xml defines if the camera shutter

media/java/android/media/IAudioService.aidl

@@ -201,6 +201,8 @@ interface IAudioService {
 
     int setHdmiSystemAudioSupported(boolean on);
 
-           boolean registerAudioPolicy(in AudioPolicyConfig policyConfig, IBinder cb);
+    boolean isHdmiSystemAudioSupported();
+
+    boolean registerAudioPolicy(in AudioPolicyConfig policyConfig, IBinder cb);
     oneway void unregisterAudioPolicyAsync(in IBinder cb);
 }