diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 66f4b84..61d62b0 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -126,6 +126,7 @@
     // necessary to check returned status before using the returned values.
     static status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream = AUDIO_STREAM_DEFAULT);
 
+    // return the number of input frames lost by HAL implementation, or 0 if the handle is invalid
     static unsigned int  getInputFramesLost(audio_io_handle_t ioHandle);
 
     static int newAudioSessionId();
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index f8813c9..01ce2a4 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -432,10 +432,8 @@
 
 unsigned int AudioRecord::getInputFramesLost() const
 {
-    if (mActive)
-        return AudioSystem::getInputFramesLost(mInput);
-    else
-        return 0;
+    // no need to check mActive, because if inactive this will return 0, which is what we want
+    return AudioSystem::getInputFramesLost(mInput);
 }
 
 // -------------------------------------------------------------------------
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 765127a..2ed3324 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -978,10 +978,6 @@
 
 unsigned int AudioFlinger::getInputFramesLost(audio_io_handle_t ioHandle) const
 {
-    if (ioHandle == 0) {
-        return 0;
-    }
-
     Mutex::Autolock _l(mLock);
 
     RecordThread *recordThread = checkRecordThread_l(ioHandle);