34 lines
		
	
	
		
			657 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			657 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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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 <andrzejtp2010@gmail.com>
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|  */
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| 
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| #ifndef U_PRINTER_H
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| #define U_PRINTER_H
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| 
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| #include <linux/usb/composite.h>
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| 
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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;
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| 	bool				pnp_string_allocated;
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| 	unsigned			q_len;
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| 
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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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| 
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| #endif /* U_PRINTER_H */
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