diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 4fa472e..58c65fa 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -218,6 +218,11 @@
 
     virtual status_t registerPolicyMixes(Vector<AudioMix> mixes) = 0;
     virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes) = 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;
 };