diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index e9c0f93..afc2d22 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -589,6 +589,7 @@
                 void        removeNotificationClient(pid_t pid);
                 bool isNonOffloadableGlobalEffectEnabled_l();
                 void onNonOffloadableGlobalEffectEnable();
+                bool isSessionAcquired_l(audio_session_t audioSession);
 
                 // Store an effect chain to mOrphanEffectChains keyed vector.
                 // Called when a thread exits and effects are still attached to it.