From b89d6fffeb5ab1ab4ae8752b78473e926de64f5b Mon Sep 17 00:00:00 2001
From: Nick Chalko <nchalko@google.com>
Date: Fri, 25 May 2018 10:29:01 -0700
Subject: Add stub implementation of HdmiCecLocalDeviceAudioSystem

Bug:80297499
Change-Id: I02893148f3970d6635d8ccad99de0f3ab6f5f0f9
Test: lunch atom; m; flashall
(cherry picked from commit 9a9fd4eaec0d36b19b416e3dc429a69088134698)
---
 .../java/com/android/server/hdmi/Constants.java    |  2 +
 .../android/server/hdmi/HdmiCecLocalDevice.java    |  2 +
 .../server/hdmi/HdmiCecLocalDeviceAudioSystem.java | 58 ++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java

diff --git a/services/core/java/com/android/server/hdmi/Constants.java b/services/core/java/com/android/server/hdmi/Constants.java
index a2a55e532ef4..0eb18a8f8cd5 100644
--- a/services/core/java/com/android/server/hdmi/Constants.java
+++ b/services/core/java/com/android/server/hdmi/Constants.java
@@ -200,6 +200,8 @@ final class Constants {
 
     static final int UNKNOWN_VOLUME = -1;
 
+    static final String PROPERTY_PREFERRED_ADDRESS_AUDIO_SYSTEM =
+            "persist.sys.hdmi.addr.audiosystem";
     static final String PROPERTY_PREFERRED_ADDRESS_PLAYBACK = "persist.sys.hdmi.addr.playback";
     static final String PROPERTY_PREFERRED_ADDRESS_TV = "persist.sys.hdmi.addr.tv";
 
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
index c7cdbefba723..1dd10f550985 100755
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
@@ -169,6 +169,8 @@ abstract class HdmiCecLocalDevice {
             return new HdmiCecLocalDeviceTv(service);
         case HdmiDeviceInfo.DEVICE_PLAYBACK:
             return new HdmiCecLocalDevicePlayback(service);
+        case HdmiDeviceInfo.DEVICE_AUDIO_SYSTEM:
+            return new HdmiCecLocalDeviceAudioSystem(service);
         default:
             return null;
         }
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
new file mode 100644
index 000000000000..9b545c09448c
--- /dev/null
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.hdmi;
+
+
+import android.hardware.hdmi.HdmiDeviceInfo;
+import android.os.SystemProperties;
+
+/**
+ * Represent a logical device of type {@link HdmiDeviceInfo#DEVICE_AUDIO_SYSTEM} residing in
+ * Android system.
+ */
+public class HdmiCecLocalDeviceAudioSystem extends HdmiCecLocalDevice {
+
+    protected HdmiCecLocalDeviceAudioSystem(HdmiControlService service) {
+        super(service, HdmiDeviceInfo.DEVICE_AUDIO_SYSTEM);
+    }
+
+    @Override
+    @HdmiAnnotations.ServiceThreadOnly
+    protected void onAddressAllocated(int logicalAddress, int reason) {
+        assertRunOnServiceThread();
+        mService.sendCecCommand(HdmiCecMessageBuilder.buildReportPhysicalAddressCommand(
+                mAddress, mService.getPhysicalAddress(), mDeviceType));
+        mService.sendCecCommand(HdmiCecMessageBuilder.buildDeviceVendorIdCommand(
+                mAddress, mService.getVendorId()));
+        startQueuedActions();
+    }
+
+    @Override
+    @HdmiAnnotations.ServiceThreadOnly
+    protected int getPreferredAddress() {
+        assertRunOnServiceThread();
+        return SystemProperties.getInt(Constants.PROPERTY_PREFERRED_ADDRESS_AUDIO_SYSTEM,
+                Constants.ADDR_UNREGISTERED);
+    }
+
+    @Override
+    @HdmiAnnotations.ServiceThreadOnly
+    protected void setPreferredAddress(int addr) {
+        assertRunOnServiceThread();
+        SystemProperties.set(Constants.PROPERTY_PREFERRED_ADDRESS_AUDIO_SYSTEM,
+                String.valueOf(addr));
+    }
+}
-- 
cgit v1.2.3-59-g8ed1b