static ssize_t os_desc_use_show(struct config_item *item, char *page)
 {
-       return sprintf(page, "%d",
+       return sprintf(page, "%d\n",
                        os_desc_item_to_gadget_info(item)->use_os_desc);
 }
 
 
 static ssize_t os_desc_b_vendor_code_show(struct config_item *item, char *page)
 {
-       return sprintf(page, "%d",
+       return sprintf(page, "0x%02x\n",
                        os_desc_item_to_gadget_info(item)->b_vendor_code);
 }
 
 
 static ssize_t ext_prop_type_show(struct config_item *item, char *page)
 {
-       return sprintf(page, "%d", to_usb_os_desc_ext_prop(item)->type);
+       return sprintf(page, "%d\n", to_usb_os_desc_ext_prop(item)->type);
 }
 
 static ssize_t ext_prop_type_store(struct config_item *item,