diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 952d634..124032b 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -630,7 +630,7 @@
     aps->releaseOutput(output);
 }
 
-audio_io_handle_t AudioSystem::getInput(int inputSource,
+audio_io_handle_t AudioSystem::getInput(audio_source_t inputSource,
                                     uint32_t samplingRate,
                                     audio_format_t format,
                                     uint32_t channels,