diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 927283c..182133c 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -332,6 +332,12 @@
 
     static status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration);
 
+    static status_t startAudioSource(const struct audio_port_config *source,
+                                      const audio_attributes_t *attributes,
+                                      audio_io_handle_t *handle);
+    static status_t stopAudioSource(audio_io_handle_t handle);
+
+
     // ----------------------------------------------------------------------------
 
     class AudioPortCallback : public RefBase
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index 7506153..413267b 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -155,6 +155,11 @@
     virtual audio_mode_t getPhoneState() = 0;
 
     virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration) = 0;
+
+    virtual status_t startAudioSource(const struct audio_port_config *source,
+                                      const audio_attributes_t *attributes,
+                                      audio_io_handle_t *handle) = 0;
+    virtual status_t stopAudioSource(audio_io_handle_t handle) = 0;
 };