diff --git a/services/audioflinger/Effects.h b/services/audioflinger/Effects.h
index 0b7fb83..bac50f2 100644
--- a/services/audioflinger/Effects.h
+++ b/services/audioflinger/Effects.h
@@ -303,6 +303,10 @@
 
     void clearInputBuffer();
 
+    // At least one effect in the chain is enabled
+    bool isEnabled();
+
+
     void dump(int fd, const Vector<String16>& args);
 
 protected: