diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 83caca7..7c38bcc 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -559,6 +559,8 @@
         virtual binder::Status    start(int /*AudioSystem::sync_event_t*/ event,
                 int /*audio_session_t*/ triggerSession);
         virtual binder::Status   stop();
+        virtual binder::Status   getActiveMicrophones(
+                std::vector<media::MicrophoneInfo>* activeMicrophones);
     private:
         const sp<RecordThread::RecordTrack> mRecordTrack;