[Bugfix][API-720]after python test programe exit, the led for cs call still keep on light

Change-Id: If5a7c89330718def4309139150f376836188c016
diff --git a/framework/lynq-ril-service/src/ril.cpp b/framework/lynq-ril-service/src/ril.cpp
index 12a9c99..960389b 100755
--- a/framework/lynq-ril-service/src/ril.cpp
+++ b/framework/lynq-ril-service/src/ril.cpp
@@ -4629,9 +4629,11 @@
 
 //unsol trigger other things.
     switch(unsolResponse) {
-    //case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED:
-        //ARspRequest(RIL_REQUEST_GET_CURRENT_CALLS, soc_id);
-        //break;
+#ifdef LED_SUPPORT
+    case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED:   //add this for API-720
+        ARspRequest(RIL_REQUEST_GET_CURRENT_CALLS, soc_id);
+        break;
+#endif
     case RIL_UNSOL_CALL_RING:
         callRing(soc_id);
         break;