From 4657dccc789d5117b8d108beab04c0d506837d2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20Col=C8=9Ba?= <donpaul@google.com>
Date: Fri, 27 Aug 2021 13:03:33 +0000
Subject: [PATCH] HDMICEC: Create deviceselect shell command

Create deviceSelect method in HdmiControlShellCommand.
The command's argument is representing the id of the device to be
selected.

Bug: 196934198
Test: make
Change-Id: Ic3a92f15897898f3af30a452fc922a21a5cc3337
---
 .../server/hdmi/HdmiControlShellCommand.java  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java b/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
index e52e32a7b745c..a9b52140a6db2 100644
--- a/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
+++ b/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
@@ -92,6 +92,9 @@ final class HdmiControlShellCommand extends ShellCommand {
         pw.println("      Sets the System Audio Mode feature on or off on TV devices");
         pw.println("  setarc [on|off]");
         pw.println("      Sets the ARC feature on or off on TV devices");
+        pw.println("  deviceselect <device id>");
+        pw.println("      Switch to device with given id");
+        pw.println("      The device's id is represented by its logical address.");
     }
 
     private int handleShellCommand(String cmd) throws RemoteException {
@@ -110,12 +113,30 @@ final class HdmiControlShellCommand extends ShellCommand {
                 return setSystemAudioMode(pw);
             case "setarc":
                 return setArcMode(pw);
+            case "deviceselect":
+                return deviceSelect(pw);
         }
 
         getErrPrintWriter().println("Unhandled command: " + cmd);
         return 1;
     }
 
+    private int deviceSelect(PrintWriter pw) throws RemoteException {
+        if (getRemainingArgsCount() != 1) {
+            throw new IllegalArgumentException("Expected exactly 1 argument.");
+        }
+        int deviceId = Integer.parseInt(getNextArg());
+
+        pw.print("Sending Device Select...");
+        mBinderService.deviceSelect(deviceId, mHdmiControlCallback);
+
+        if (!receiveCallback("Device Select")) {
+            return 1;
+        }
+
+        return mCecResult.get() == HdmiControlManager.RESULT_SUCCESS ? 0 : 1;
+    }
+
     private int oneTouchPlay(PrintWriter pw) throws RemoteException {
         pw.print("Sending One Touch Play...");
         mBinderService.oneTouchPlay(mHdmiControlCallback);