From ff684fefaafa31a52e1b785623f36dba2ee52f81 Mon Sep 17 00:00:00 2001
From: Lars Op den Kamp <lars@opdenkamp.eu>
Date: Tue, 3 Jan 2012 14:27:15 +0100
Subject: [PATCH] cec: don't make libCEC the active source when changing the
 physical address. don't send active source messages on startup, when not the
 active source. fixes unwanted device power ups

---
 src/lib/CECProcessor.cpp                     | 12 ++++--------
 src/lib/devices/CECBusDevice.cpp             |  8 +++++++-
 src/lib/implementations/ANCommandHandler.cpp |  1 +
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/lib/CECProcessor.cpp b/src/lib/CECProcessor.cpp
index c13a29b..dd7b2fe 100644
--- a/src/lib/CECProcessor.cpp
+++ b/src/lib/CECProcessor.cpp
@@ -176,16 +176,9 @@ bool CCECProcessor::Start(const char *strPort, uint16_t iBaudRate /* = 38400 */,
     bReturn = SetHDMIPort(m_iBaseDevice, m_iHDMIPort, true);
   }
 
-  /* make the primary device the active source */
   if (bReturn)
   {
     m_bInitialised = true;
-    m_busDevices[m_logicalAddresses.primary]->m_bActiveSource = true;
-    bReturn = m_busDevices[CECDEVICE_TV]->ActivateSource();
-  }
-
-  if (bReturn)
-  {
     m_controller->AddLog(CEC_LOG_DEBUG, "processor thread started");
   }
   else
@@ -606,17 +599,20 @@ bool CCECProcessor::SetMenuState(cec_menu_state state, bool bSendUpdate /* = tru
 
 bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress)
 {
+  bool bWasActiveSource(false);
   CLockObject lock(&m_mutex);
   if (!m_logicalAddresses.IsEmpty())
   {
     for (uint8_t iPtr = 0; iPtr < 15; iPtr++)
       if (m_logicalAddresses[iPtr])
       {
+        bWasActiveSource |= m_busDevices[iPtr]->IsActiveSource();
         m_busDevices[iPtr]->SetInactiveSource();
         m_busDevices[iPtr]->SetPhysicalAddress(iPhysicalAddress);
         m_busDevices[iPtr]->TransmitPhysicalAddress();
       }
-    return SetActiveView();
+
+    return bWasActiveSource ? SetActiveView() : true;
   }
   return false;
 }
diff --git a/src/lib/devices/CECBusDevice.cpp b/src/lib/devices/CECBusDevice.cpp
index b42967d..9e9145c 100644
--- a/src/lib/devices/CECBusDevice.cpp
+++ b/src/lib/devices/CECBusDevice.cpp
@@ -513,6 +513,12 @@ void CCECBusDevice::SetInactiveSource(void)
 void CCECBusDevice::SetActiveSource(void)
 {
   CLockObject lock(&m_mutex);
+  if (!m_bActiveSource)
+  {
+    CStdString strLog;
+    strLog.Format("making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
+    AddLog(CEC_LOG_DEBUG, strLog);
+  }
 
   for (int iPtr = 0; iPtr < 16; iPtr++)
     if (iPtr != m_iLogicalAddress)
@@ -660,7 +666,7 @@ bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
       m_handler->SetVendorId(m_vendor);
       m_handler->InitHandler();
 
-      if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised())
+      if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
         m_handler->ActivateSource();
     }
   }
diff --git a/src/lib/implementations/ANCommandHandler.cpp b/src/lib/implementations/ANCommandHandler.cpp
index e9674ba..a313819 100644
--- a/src/lib/implementations/ANCommandHandler.cpp
+++ b/src/lib/implementations/ANCommandHandler.cpp
@@ -40,6 +40,7 @@ using namespace CEC;
 CANCommandHandler::CANCommandHandler(CCECBusDevice *busDevice) :
     CCECCommandHandler(busDevice)
 {
+  m_vendorId = CEC_VENDOR_SAMSUNG;
 }
 
 bool CANCommandHandler::HandleVendorRemoteButtonDown(const cec_command &command)
-- 
2.34.1