From: Lars Op den Kamp <lars@opdenkamp.eu>
Date: Tue, 3 Jan 2012 14:50:48 +0000 (+0100)
Subject: cec: hold a lock in CCECProcessor::SetHDMIPort()
X-Git-Tag: upstream/2.2.0~1^2~42^2~6
X-Git-Url: https://git.piment-noir.org/?p=deb_libcec.git;a=commitdiff_plain;h=bebb19dc6b8a478b09e8023cc1cfdf670044f4ab

cec: hold a lock in CCECProcessor::SetHDMIPort()
---

diff --git a/src/lib/CECProcessor.cpp b/src/lib/CECProcessor.cpp
index bcaea35..6b40125 100644
--- a/src/lib/CECProcessor.cpp
+++ b/src/lib/CECProcessor.cpp
@@ -588,7 +588,7 @@ bool CCECProcessor::SetMenuState(cec_menu_state state, bool bSendUpdate /* = tru
   return true;
 }
 
-bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress)
+bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress, bool bSendUpdate /* = true */)
 {
   bool bWasActiveSource(false);
   CLockObject lock(&m_mutex);
@@ -600,10 +600,11 @@ bool CCECProcessor::SetPhysicalAddress(uint16_t iPhysicalAddress)
         bWasActiveSource |= m_busDevices[iPtr]->IsActiveSource();
         m_busDevices[iPtr]->SetInactiveSource();
         m_busDevices[iPtr]->SetPhysicalAddress(iPhysicalAddress);
-        m_busDevices[iPtr]->TransmitPhysicalAddress();
+        if (bSendUpdate)
+          m_busDevices[iPtr]->TransmitPhysicalAddress();
       }
 
-    return bWasActiveSource ? SetActiveView() : true;
+    return bWasActiveSource && bSendUpdate ? SetActiveView() : true;
   }
   return false;
 }
diff --git a/src/lib/CECProcessor.h b/src/lib/CECProcessor.h
index a688bef..8c007b8 100644
--- a/src/lib/CECProcessor.h
+++ b/src/lib/CECProcessor.h
@@ -88,7 +88,7 @@ namespace CEC
       virtual bool TransmitInactiveSource(void);
       virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress);
       virtual bool SetMenuState(cec_menu_state state, bool bSendUpdate = true);
-      virtual bool SetPhysicalAddress(uint16_t iPhysicalAddress);
+      virtual bool SetPhysicalAddress(uint16_t iPhysicalAddress, bool bSendUpdate = true);
       virtual bool SetActiveSource(uint16_t iStreamPath);
       virtual bool SwitchMonitoring(bool bEnable);
       virtual bool PollDevice(cec_logical_address iAddress);