Add comment about actual type of set_mode
Change-Id: Ie50a66894831763b6e9eb6aa490441d7759cbeef
diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 2d7f39d..ed97728 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -275,6 +275,7 @@
* setMode is called when the audio mode changes. AUDIO_MODE_NORMAL mode
* is for standard audio playback, AUDIO_MODE_RINGTONE when a ringtone is
* playing, and AUDIO_MODE_IN_CALL when a call is in progress.
+ * Actual type of mode is enum audio_mode_t defined in <system/audio.h>.
*/
int (*set_mode)(struct audio_hw_device *dev, int mode);