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