include/linux/acpi_gpio.h

   1 #ifndef _LINUX_ACPI_GPIO_H_
   2 #define _LINUX_ACPI_GPIO_H_
   3
   4 #include <linux/errno.h>
   5 #include <linux/gpio.h>
   6
   7 #ifdef CONFIG_GPIO_ACPI
   8
   9 int acpi_get_gpio(char *path, int pin);
  10 void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
  11
  12 #else /* CONFIG_GPIO_ACPI */
  13
  14 static inline int acpi_get_gpio(char *path, int pin)
  15 {
  16         return -ENODEV;
  17 }
  18
  19 static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
  20
  21 #endif /* CONFIG_GPIO_ACPI */
  22
  23 #endif /* _LINUX_ACPI_GPIO_H_ */