ee1cd515e8
Add support for configfs interface so that f_printer can be used as a component of usb gadgets composed with it. Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
38 lines
821 B
C
38 lines
821 B
C
/*
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* u_printer.h
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*
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* Utility definitions for the printer function
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*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef U_PRINTER_H
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#define U_PRINTER_H
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#include <linux/usb/composite.h>
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#define PNP_STRING_LEN 1024
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struct f_printer_opts {
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struct usb_function_instance func_inst;
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int minor;
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char pnp_string[PNP_STRING_LEN];
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unsigned q_len;
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/*
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* Protect the data from concurrent access by read/write
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* and create symlink/remove symlink
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*/
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struct mutex lock;
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int refcnt;
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};
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#endif /* U_PRINTER_H */
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