From b77e13d50a14d977da1659af752b7123f9f20504 Mon Sep 17 00:00:00 2001
From: Stanley Chang <stanley.chang@mediatek.com>
Date: Tue, 28 Aug 2018 08:16:03 +0800
Subject: [PATCH] [b/109850442]Fail to adjust volume when connect Ampplifier.]

[Description]
Fix this issue : Don't suppress adjustments for single volume device

Test: Android TV: press vol button once
Change-Id: I2d37ce60c3e6928e00b036a805f01f281437f4ac
---
 services/core/java/com/android/server/audio/AudioService.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 10b75226cc326..6cc0e6153a33d 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -1574,7 +1574,9 @@ public class AudioService extends IAudioService.Stub
 
         // For notifications/ring, show the ui before making any adjustments
         // Don't suppress mute/unmute requests
-        if (mVolumeController.suppressAdjustment(resolvedStream, flags, isMute)) {
+        // Don't suppress adjustments for single volume device
+        if (mVolumeController.suppressAdjustment(resolvedStream, flags, isMute)
+                && !mIsSingleVolume) {
             direction = 0;
             flags &= ~AudioManager.FLAG_PLAY_SOUND;
             flags &= ~AudioManager.FLAG_VIBRATE;