[CEC Configuration] Add adb shell command to get/set setting value

(cherry-pick from master)

Usage:
adb shell cmd hdmi_control cec_setting get <setting name>
adb shell cmd hdmi_control cec_setting set <setting name> <new value>

Test: manually
Bug: 179780870
Change-Id: I5fab223bd16672056cdbe60825ff5ca7fd0c882e

1 files changed, 41 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java b/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
index ee3427f0a383..a1e613635116 100644
--- a/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
+++ b/services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java
@@ -70,6 +70,10 @@ final class HdmiControlShellCommand extends ShellCommand {
         pw.println("                --args <vendor specific arguments>");
         pw.println("                [--id <true if vendor command should be sent with vendor id>]");
         pw.println("      Send a Vendor Command to the given target device");
+        pw.println("  cec_setting get <setting name>");
+        pw.println("      Get the current value of a CEC setting");
+        pw.println("  cec_setting set <setting name> <value>");
+        pw.println("      Set the value of a CEC setting");
     }
 
     private int handleShellCommand(String cmd) throws RemoteException {
@@ -81,6 +85,8 @@ final class HdmiControlShellCommand extends ShellCommand {
                 return oneTouchPlay(pw);
             case "vendorcommand":
                 return vendorCommand(pw);
+            case "cec_setting":
+                return cecSetting(pw);
         }
 
         getErrPrintWriter().println("Unhandled command: " + cmd);
@@ -157,4 +163,39 @@ final class HdmiControlShellCommand extends ShellCommand {
         mBinderService.sendVendorCommand(deviceType, destination, params, hasVendorId);
         return 0;
     }
+
+    private int cecSetting(PrintWriter pw) throws RemoteException {
+        if (getRemainingArgsCount() < 1) {
+            throw new IllegalArgumentException("Expected at least 1 argument (operation).");
+        }
+        String operation = getNextArgRequired();
+        switch (operation) {
+            case "get": {
+                String setting = getNextArgRequired();
+                try {
+                    String value = mBinderService.getCecSettingStringValue(setting);
+                    pw.println(setting + " = " + value);
+                } catch (IllegalArgumentException e) {
+                    int intValue = mBinderService.getCecSettingIntValue(setting);
+                    pw.println(setting + " = " + intValue);
+                }
+                return 0;
+            }
+            case "set": {
+                String setting = getNextArgRequired();
+                String value = getNextArgRequired();
+                try {
+                    mBinderService.setCecSettingStringValue(setting, value);
+                    pw.println(setting + " = " + value);
+                } catch (IllegalArgumentException e) {
+                    int intValue = Integer.parseInt(value);
+                    mBinderService.setCecSettingIntValue(setting, intValue);
+                    pw.println(setting + " = " + intValue);
+                }
+                return 0;
+            }
+            default:
+                throw new IllegalArgumentException("Unknown operation: " + operation);
+        }
+    }
 }