diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index eb22e32..e0d7898 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -183,6 +183,7 @@
                                     int session,
                                     int id);
     static status_t unregisterEffect(int id);
+    static status_t setEffectEnabled(int id, bool enabled);
 
     static const sp<IAudioPolicyService>& get_audio_policy_service();
 
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index ed265e1..9807cbe 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -84,6 +84,7 @@
                                     int session,
                                     int id) = 0;
     virtual status_t unregisterEffect(int id) = 0;
+    virtual status_t setEffectEnabled(int id, bool enabled) = 0;
     virtual bool     isStreamActive(int stream, uint32_t inPastMs = 0) const = 0;
     virtual status_t queryDefaultPreProcessing(int audioSession,
                                               effect_descriptor_t *descriptors,