g_dnl: Issue connect/disconnect as appropriate

Call usb_gadget_connect/usb_gadget_disconnect in g_dnl_bind/g_dnl_unbind.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>

drivers/usb/gadget/g_dnl.c

@@ -83,7 +83,12 @@ static struct usb_gadget_strings *g_dnl_composite_strings[] = {
 
 static int g_dnl_unbind(struct usb_composite_dev *cdev)
 {
-	debug("%s\n", __func__);
+	struct usb_gadget *gadget = cdev->gadget;
+
+	debug("%s: calling usb_gadget_disconnect for "
+			"controller '%s'\n", shortname, gadget->name);
+	usb_gadget_disconnect(gadget);
+
 	return 0;
 }
 
@@ -153,6 +158,10 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
 		device_desc.bcdDevice = __constant_cpu_to_le16(0x9999);
 	}
 
+	debug("%s: calling usb_gadget_connect for "
+			"controller '%s'\n", shortname, gadget->name);
+	usb_gadget_connect(gadget);
+
 	return 0;
 
  error: