diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpioexpander.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/gpioexpander.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h new file mode 100644 index 00000000000..90444a0d6b1 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/gpioexpander.h @@ -0,0 +1,35 @@ +/* + * arch/arm/plat-omap/include/mach/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 */ |