1 #ifndef _LINUX_ACPI_GPIO_H_
2 #define _LINUX_ACPI_GPIO_H_
4 #include <linux/errno.h>
5 #include <linux/gpio.h>
7 #ifdef CONFIG_GPIO_ACPI
9 int acpi_get_gpio(char *path, int pin);
10 void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
11 void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
13 #else /* CONFIG_GPIO_ACPI */
15 static inline int acpi_get_gpio(char *path, int pin)
20 static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
21 static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
23 #endif /* CONFIG_GPIO_ACPI */
25 #endif /* _LINUX_ACPI_GPIO_H_ */