add required request buffer factory for Wiimote

libs/surfaces/wiimote/interface.cc

@@ -48,6 +48,12 @@ probe_wiimote_protocol (ControlProtocolDescriptor*)
 {
 	return WiimoteControlProtocol::probe ();
 }
+static void*
+wiimote_request_buffer_factory (uint32_t num_requests)
+{
+	return WiimoteControlProtocol::request_factory (num_requests);
+}
+
 
 static ControlProtocolDescriptor wiimote_descriptor = {
 	name : "Wiimote",
@@ -58,7 +64,8 @@ static ControlProtocolDescriptor wiimote_descriptor = {
 	supports_feedback : false,
 	probe : probe_wiimote_protocol,
 	initialize : new_wiimote_protocol,
-	destroy : delete_wiimote_protocol
+	destroy : delete_wiimote_protocol,
+	request_buffer_factory : wiimote_request_buffer_factory
 };
 
 extern "C" ARDOURSURFACE_API ControlProtocolDescriptor* protocol_descriptor () { return &wiimote_descriptor; }

libs/surfaces/wiimote/wiimote.cc

@@ -455,3 +455,15 @@ wiimote_control_protocol_mesg_callback (cwiid_wiimote_t *wiimote, int mesg_count
 
 	DEBUG_TRACE (DEBUG::WiimoteControl, "WiimoteControlProtocol::mesg_callback done\n");
 }
+
+
+void*
+WiimoteControlProtocol::request_factory (uint32_t num_requests)
+{
+	/* AbstractUI<T>::request_buffer_factory() is a template method only
+	   instantiated in this source module. To provide something visible for
+	   use in the interface/descriptor, we have this static method that is
+	   template-free.
+	*/
+	return request_buffer_factory (num_requests);
+}

libs/surfaces/wiimote/wiimote.h

@@ -43,6 +43,8 @@ public:
 	virtual ~WiimoteControlProtocol ();
 
 	static bool probe ();
+	static void* request_factory (uint32_t);
+
 	int set_active (bool yn);
 
 	XMLNode& get_state ();