From 452efad78fd1b409b8c658adf1791851f160c6f0 Mon Sep 17 00:00:00 2001
From: dakshayani-venkataramana_comcast <dakshayani.venkataramana@sky.uk>
Date: Wed, 20 May 2026 19:04:08 +0100
Subject: [PATCH] RDKEVD-7547:4K HDMI cert issue for ARC

---
 HdmiCecSink/HdmiCecSink.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/HdmiCecSink/HdmiCecSink.cpp b/HdmiCecSink/HdmiCecSink.cpp
index 4a10f069..5fe9b37d 100644
--- a/HdmiCecSink/HdmiCecSink.cpp
+++ b/HdmiCecSink/HdmiCecSink.cpp
@@ -589,6 +589,8 @@ namespace WPEFramework
                 HdmiCecSink::_instance->Process_InitiateArc();
             } else {
                 LOGINFO("Command: INITIATE_ARC InitiateArc ignore %s \n",HdmiCecSink::_instance->deviceList[0x5].m_physicalAddr.toString().c_str());
+                LOGINFO("Run command to disable arc");
+                system("echo 0xff603614 0x14910490 > /sys/kernel/debug/aml_reg/paddr");
             }
        }
        void HdmiCecSinkProcessor::process (const TerminateArc &msg, const Header &header)