1 #ifndef _LINUX_ACPI_GPIO_H_
2 #define _LINUX_ACPI_GPIO_H_
4 #include <linux/device.h>
6 #include <linux/errno.h>
7 #include <linux/gpio.h>
8 #include <linux/gpio/consumer.h>
11 * struct acpi_gpio_info - ACPI GPIO specific information
12 * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
14 struct acpi_gpio_info {
18 #ifdef CONFIG_GPIO_ACPI
20 struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index,
21 struct acpi_gpio_info *info);
22 void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
23 void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
25 #else /* CONFIG_GPIO_ACPI */
27 static inline struct gpio_desc *
28 acpi_get_gpiod_by_index(struct device *dev, int index,
29 struct acpi_gpio_info *info)
31 return ERR_PTR(-ENOSYS);
34 static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
35 static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
37 #endif /* CONFIG_GPIO_ACPI */
39 static inline int acpi_get_gpio_by_index(struct device *dev, int index,
40 struct acpi_gpio_info *info)
42 struct gpio_desc *desc = acpi_get_gpiod_by_index(dev, index, info);
46 return desc_to_gpio(desc);
49 #endif /* _LINUX_ACPI_GPIO_H_ */