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35 lines
925 B
35 lines
925 B
/*
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* linux/include/asm-arm/arch-omap/gpioexpander.h
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*
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*
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* Copyright (C) 2004 Texas Instruments, Inc.
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*
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* This package 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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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
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#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
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/* Function Prototypes for GPIO Expander functions */
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#ifdef CONFIG_GPIOEXPANDER_OMAP
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int read_gpio_expa(u8 *, int);
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int write_gpio_expa(u8 , int);
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#else
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static inline int read_gpio_expa(u8 *val, int addr)
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{
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return 0;
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}
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static inline int write_gpio_expa(u8 val, int addr)
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{
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return 0;
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}
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#endif
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#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
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