diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 7ff5b78..95111dd 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -579,7 +579,8 @@
                              audio_io_handle_t handle,
                              audio_devices_t devices,
                              struct audio_config *config,
-                             struct audio_stream_in **stream_in);
+                             struct audio_stream_in **stream_in,
+                             audio_input_flags_t flags);
 
     void (*close_input_stream)(struct audio_hw_device *dev,
                                struct audio_stream_in *stream_in);