hts-tvheadend: add an option to wait for more than 1 adapters to appear

packages/addons/service/multimedia/hts-tvheadend/config/settings.xml

@@ -1,5 +1,6 @@
 <settings>
     <setting id="WAIT_FOR_FEINIT" value="false" />
+    <setting id="NUM_ADAPTERS" value="1" />
     <setting id="XMLTV_LOCATION_FILE" value="" />
     <setting id="XMLTV_LOCATION_WEB" value="http://" />
     <setting id="XMLTV_TYPE" value="NONE" />

packages/addons/service/multimedia/hts-tvheadend/source/bin/tvheadend.start

@@ -80,7 +80,9 @@ mkdir -p $ADDON_HOME
       if [ -f "$LOCKDIR/$LOCKFILE" ] ; then
         break
       fi
-      if [ "$WAIT_FOR_FEINIT" == "true" ] && [ ! -e /dev/dvb/adapter*/frontend* ] ; then
+      # (wait for) at least 1 adapter (xbmc allows to set 0)
+      [ $NUM_ADAPTERS -lt 1 ] && NUM_ADAPTERS=1
+      if [ "$WAIT_FOR_FEINIT" == "true" ] && [ ! -e /dev/dvb/adapter$((NUM_ADAPTERS-1))/frontend* ] ; then
         sleep 1
         continue
       fi

packages/addons/service/multimedia/hts-tvheadend/source/resources/language/English/strings.xml

@@ -11,5 +11,6 @@
 	<string id="1020">DVB Configuration</string>
 	<string id="1021">Unload DVB mudules before suspend</string>
 	<string id="1022">Wait for frontend initialization</string>
+	<string id="1023">Number of adapters to wait for</string>
 
 </strings>

packages/addons/service/multimedia/hts-tvheadend/source/resources/settings.xml

@@ -13,6 +13,7 @@
 		<setting label="1020" type="lsep"/>
 		<setting type="sep" />
 		<setting id="WAIT_FOR_FEINIT" type="bool" label="1022" default="false" />
+		<setting id="NUM_ADAPTERS" type="number" label="1023" default="1" enable="eq(-1,true)" />
 		<setting id="REMOVE_MODULES" type="text" label="1021" values="" default=""/>
     </category>
 </settings>