hidclass.sys: Add more trace messages.

dlls/hidclass.sys/device.c

@@ -229,6 +229,8 @@ static void hid_device_queue_input( DEVICE_OBJECT *device, HID_XFER_PACKET *pack
     KIRQL irql;
     IRP *irp;
 
+    TRACE("device %p, packet %p\n", device, packet);
+
     if (IsEqualGUID( ext->class_guid, &GUID_DEVINTERFACE_HID ))
     {
         size = offsetof( RAWINPUT, data.hid.bRawData[report_len] );

dlls/hidclass.sys/pnp.c

@@ -117,6 +117,8 @@ static void send_wm_input_device_change(BASE_DEVICE_EXTENSION *ext, LPARAM param
     RAWINPUT rawinput;
     INPUT input;
 
+    TRACE("ext %p, lparam %p\n", ext, (void *)param);
+
     if (!IsEqualGUID( ext->class_guid, &GUID_DEVINTERFACE_HID )) return;
 
     rawinput.header.dwType = RIM_TYPEHID;
@@ -298,6 +300,8 @@ static void create_child(minidriver *minidriver, DEVICE_OBJECT *fdo)
     HID_StartDeviceThread(child_pdo);
 
     send_wm_input_device_change(pdo_ext, GIDC_ARRIVAL);
+
+    TRACE( "created device %p, rawinput handle %#x\n", pdo_ext, pdo_ext->u.pdo.rawinput_handle );
 }
 
 static NTSTATUS fdo_pnp(DEVICE_OBJECT *device, IRP *irp)