diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index b38d37f..54121cd 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1000,14 +1000,12 @@
 {
     ALOGV("AudioFlinger::setRecordSilenced(uid:%d, silenced:%d)", uid, silenced);
 
-    // TODO: Notify MmapThreads
-
     AutoMutex lock(mLock);
     for (size_t i = 0; i < mRecordThreads.size(); i++) {
-        sp<RecordThread> thread = mRecordThreads.valueAt(i);
-        if (thread != 0) {
-            thread->setRecordSilenced(uid, silenced);
-        }
+        mRecordThreads[i]->setRecordSilenced(uid, silenced);
+    }
+    for (size_t i = 0; i < mMmapThreads.size(); i++) {
+        mMmapThreads[i]->setRecordSilenced(uid, silenced);
     }
 }