From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/usb/gadget/function/u_printer.h | 37 +++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 drivers/usb/gadget/function/u_printer.h (limited to 'drivers/usb/gadget/function/u_printer.h') diff --git a/drivers/usb/gadget/function/u_printer.h b/drivers/usb/gadget/function/u_printer.h new file mode 100644 index 000000000..0e2c49d42 --- /dev/null +++ b/drivers/usb/gadget/function/u_printer.h @@ -0,0 +1,37 @@ +/* + * u_printer.h + * + * Utility definitions for the printer function + * + * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Author: Andrzej Pietrasiewicz + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef U_PRINTER_H +#define U_PRINTER_H + +#include + +#define PNP_STRING_LEN 1024 + +struct f_printer_opts { + struct usb_function_instance func_inst; + int minor; + char pnp_string[PNP_STRING_LEN]; + unsigned q_len; + + /* + * Protect the data from concurrent access by read/write + * and create symlink/remove symlink + */ + struct mutex lock; + int refcnt; +}; + +#endif /* U_PRINTER_H */ -- cgit v1.2.3-54-g00ecf