diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index e1aab41..9ea18de 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -234,7 +234,8 @@
                                     uint32_t samplingRate,
                                     audio_format_t format,
                                     audio_channel_mask_t channelMask,
-                                    int sessionId);
+                                    int sessionId,
+                                    audio_input_flags_t);
 
     static status_t startInput(audio_io_handle_t input);
     static status_t stopInput(audio_io_handle_t input);
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index 959e4c3..e08b5ae 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -70,10 +70,11 @@
                                 int session = 0) = 0;
     virtual void releaseOutput(audio_io_handle_t output) = 0;
     virtual audio_io_handle_t getInput(audio_source_t inputSource,
-                                    uint32_t samplingRate = 0,
-                                    audio_format_t format = AUDIO_FORMAT_DEFAULT,
-                                    audio_channel_mask_t channelMask = 0,
-                                    int audioSession = 0) = 0;
+                                    uint32_t samplingRate,
+                                    audio_format_t format,
+                                    audio_channel_mask_t channelMask,
+                                    int audioSession,
+                                    audio_input_flags_t flags) = 0;
     virtual status_t startInput(audio_io_handle_t input) = 0;
     virtual status_t stopInput(audio_io_handle_t input) = 0;
     virtual void releaseInput(audio_io_handle_t input) = 0;