diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index 31a14f0..c51e2f0 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -142,6 +142,7 @@
     virtual void registerClient(const sp<IAudioFlingerClient>& client) = 0;
 
     // retrieve the audio recording buffer size
+    // FIXME This API assumes a route, and so should be deprecated.
     virtual size_t getInputBufferSize(uint32_t sampleRate, audio_format_t format,
             audio_channel_mask_t channelMask) const = 0;