Ticket #2091: conexant_signal_strength.diff

libs/libmythtv/tv_play.cpp

@@ -4501 +4501 @@
 
         infoMap[it->GetShortName()] = QString::number(it->GetValue());
         if ("signal" == it->GetShortName())
-            sig = it->GetNormalizedValue(0, 100);
+        {
+            /* Some drivers return signal strength as a percentage already *
+             * while others return a value between zero and 65535, while   *
+             * some others dont return a value at all                      */
+
+            if (it->GetValue() > 0 && (it->GetNormalizedValue(0, 100) == 0))
+                /* There is a value, but its so small that when normalised
+                   it becomes zero. More than likely its a percentage already */
+                sig = it->GetValue();
+            else
+                sig = it->GetNormalizedValue(0, 100);
+        }
         else if ("snr" == it->GetShortName())
             snr = it->GetValue();
         else if ("ber" == it->GetShortName())