1 #ifndef _LINUX_ACPI_GPIO_H_
2 #define _LINUX_ACPI_GPIO_H_
4 #include <linux/device.h>
5 #include <linux/errno.h>
6 #include <linux/gpio.h>
9 * struct acpi_gpio_info - ACPI GPIO specific information
10 * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
12 struct acpi_gpio_info
{
16 #ifdef CONFIG_GPIO_ACPI
18 int acpi_get_gpio(char *path
, int pin
);
19 int acpi_get_gpio_by_index(struct device
*dev
, int index
,
20 struct acpi_gpio_info
*info
);
21 void acpi_gpiochip_request_interrupts(struct gpio_chip
*chip
);
22 void acpi_gpiochip_free_interrupts(struct gpio_chip
*chip
);
24 #else /* CONFIG_GPIO_ACPI */
26 static inline int acpi_get_gpio(char *path
, int pin
)
31 static inline int acpi_get_gpio_by_index(struct device
*dev
, int index
,
32 struct acpi_gpio_info
*info
)
37 static inline void acpi_gpiochip_request_interrupts(struct gpio_chip
*chip
) { }
38 static inline void acpi_gpiochip_free_interrupts(struct gpio_chip
*chip
) { }
40 #endif /* CONFIG_GPIO_ACPI */
42 #endif /* _LINUX_ACPI_GPIO_H_ */