diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index 7f53bfc..7c5f33a 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -169,7 +169,7 @@
                                         audio_channel_mask_t *pChannelMask) = 0;
     virtual status_t closeInput(audio_io_handle_t input) = 0;
 
-    virtual status_t setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output) = 0;
+    virtual status_t invalidateStream(audio_stream_type_t stream) = 0;
 
     virtual status_t setVoiceVolume(float volume) = 0;
 
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index e696323..a9a9f1a 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -58,7 +58,7 @@
     RESTORE_OUTPUT,
     OPEN_INPUT,
     CLOSE_INPUT,
-    SET_STREAM_OUTPUT,
+    INVALIDATE_STREAM,
     SET_VOICE_VOLUME,
     GET_RENDER_POSITION,
     GET_INPUT_FRAMES_LOST,
@@ -545,13 +545,12 @@
         return reply.readInt32();
     }
 
-    virtual status_t setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output)
+    virtual status_t invalidateStream(audio_stream_type_t stream)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
         data.writeInt32((int32_t) stream);
-        data.writeInt32((int32_t) output);
-        remote()->transact(SET_STREAM_OUTPUT, data, &reply);
+        remote()->transact(INVALIDATE_STREAM, data, &reply);
         return reply.readInt32();
     }
 
@@ -1044,11 +1043,10 @@
             reply->writeInt32(closeInput((audio_io_handle_t) data.readInt32()));
             return NO_ERROR;
         } break;
-        case SET_STREAM_OUTPUT: {
+        case INVALIDATE_STREAM: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            uint32_t stream = data.readInt32();
-            audio_io_handle_t output = (audio_io_handle_t) data.readInt32();
-            reply->writeInt32(setStreamOutput((audio_stream_type_t) stream, output));
+            audio_stream_type_t stream = (audio_stream_type_t) data.readInt32();
+            reply->writeInt32(invalidateStream(stream));
             return NO_ERROR;
         } break;
         case SET_VOICE_VOLUME: {
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index db81ff0..92ee30e 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1940,10 +1940,10 @@
     return NO_ERROR;
 }
 
-status_t AudioFlinger::setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output)
+status_t AudioFlinger::invalidateStream(audio_stream_type_t stream)
 {
     Mutex::Autolock _l(mLock);
-    ALOGV("setStreamOutput() stream %d to output %d", stream, output);
+    ALOGV("invalidateStream() stream %d", stream);
 
     for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
         PlaybackThread *thread = mPlaybackThreads.valueAt(i).get();
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 21d05d4..c2b516b 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -182,7 +182,7 @@
 
     virtual status_t closeInput(audio_io_handle_t input);
 
-    virtual status_t setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output);
+    virtual status_t invalidateStream(audio_stream_type_t stream);
 
     virtual status_t setVoiceVolume(float volume);
 
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 9980344..41bd990 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -1598,15 +1598,14 @@
     return af->closeInput(input);
 }
 
-static int aps_set_stream_output(void *service __unused, audio_stream_type_t stream,
-                                     audio_io_handle_t output)
+static int aps_invalidate_stream(void *service __unused, audio_stream_type_t stream)
 {
     sp<IAudioFlinger> af = AudioSystem::get_audio_flinger();
     if (af == 0) {
         return PERMISSION_DENIED;
     }
 
-    return af->setStreamOutput(stream, output);
+    return af->invalidateStream(stream);
 }
 
 static int aps_move_effects(void *service __unused, int session,
@@ -1680,7 +1679,7 @@
         .open_input            = aps_open_input,
         .close_input           = aps_close_input,
         .set_stream_volume     = aps_set_stream_volume,
-        .set_stream_output     = aps_set_stream_output,
+        .invalidate_stream     = aps_invalidate_stream,
         .set_parameters        = aps_set_parameters,
         .get_parameters        = aps_get_parameters,
         .start_tone            = aps_start_tone,