avswitch: reset video mode only when it has changed

[enigma2.git] / lib / driver / avswitch.cpp

diff --git a/lib/driver/avswitch.cpp b/lib/driver/avswitch.cpp
index 35df9388a2b3e765382b2ae65cd4fca844c4bb1e..8197acc77ccedb6a26ebdee3b71c9b8f36427745 100644 (file)
--- a/lib/driver/avswitch.cpp
+++ b/lib/driver/avswitch.cpp
@@ -14,6 +14,7 @@ eAVSwitch::eAVSwitch()
 {
        ASSERT(!instance);
        instance = this;
+       m_video_mode = 0;
 }
 
 eAVSwitch::~eAVSwitch()
@@ -132,6 +133,10 @@ void eAVSwitch::setVideomode(int mode)
 {
        char *pal="pal";
        char *ntsc="ntsc";
+       
+       if (mode == m_video_mode)
+               return;
+       
        int fd;
 
        if((fd = open("/proc/stb/video/videomode", O_WRONLY)) < 0) {