retune previous running foreground service after leave satfinder

[vuplus_dvbapp] / lib / python / Components / TunerInfo.py

diff --git a/lib/python/Components/TunerInfo.py b/lib/python/Components/TunerInfo.py
index a7e22fb..490b9be 100644 (file)
--- a/lib/python/Components/TunerInfo.py
+++ b/lib/python/Components/TunerInfo.py
@@ -86,15 +86,15 @@ class TunerInfo(GUIComponent):
                                                return feinfo.getFrontendInfo(iFrontendInformation.lockState)
                elif self.frontendfkt is not None:
                        frontend = self.frontendfkt()
-                       if what == self.SNR:
-                               return frontend.readFrontendData(iFrontendInformation.signalPower)
-                       elif what == self.AGC:
-                               return frontend.readFrontendData(iFrontendInformation.signalQuality)
-                       elif what == self.BER:
-                               return frontend.readFrontendData(iFrontendInformation.bitErrorRate)
-                       elif what == self.LOCK:
-                               return frontend.readFrontendData(iFrontendInformation.lockState)
-               
+                       if frontend:
+                               if what == self.SNR:
+                                       return frontend.readFrontendData(iFrontendInformation.signalPower)
+                               elif what == self.AGC:
+                                       return frontend.readFrontendData(iFrontendInformation.signalQuality)
+                               elif what == self.BER:
+                                       return frontend.readFrontendData(iFrontendInformation.bitErrorRate)
+                               elif what == self.LOCK:
+                                       return frontend.readFrontendData(iFrontendInformation.lockState)
                return 0
                                
        def createWidget(self, parent):