commit 89d567f1c98955fc6081dc89ca17527064b6b028
author Andy Hung <hunga@google.com> Tue Jan 05 11:23:36 2016 -0800
committer Andy Hung <hunga@google.com> Fri Jan 08 13:58:51 2016 -0800
tree a1d3a409d6d57fe8e48b3a721b5afab1e25dce0c
parent 7ffd1a32c33387f8d952bd28f78e9525f0fa219a

Add mono audio parameter

Bug: 15283594
Bug: 22700363
Change-Id: Ia1806867344a862e794416b2469ccaa38b62d932

include/hardware/audio.h

diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 2389c09..29b695c 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -144,6 +144,9 @@
 /* Set the HW synchronization source for an output stream. */
 #define AUDIO_PARAMETER_STREAM_HW_AV_SYNC "hw_av_sync"
 
+/* Enable mono audio playback if 1, else should be 0. */
+#define AUDIO_PARAMETER_MONO_OUTPUT "mono_output"
+
 /**
  * audio codec parameters
  */