diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index 28d4482..ea29455 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -712,6 +712,8 @@
     virtual     void        setStreamMute(audio_stream_type_t stream, bool muted);
     virtual     float       streamVolume(audio_stream_type_t stream) const;
 
+                void        setVolumeForOutput_l(float left, float right) const;
+
                 sp<Track>   createTrack_l(
                                 const sp<AudioFlinger::Client>& client,
                                 audio_stream_type_t streamType,