2 * Internal GPIO functions.
4 * Copyright (C) 2013, Intel Corporation
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
15 #include <linux/err.h>
16 #include <linux/device.h>
19 * struct acpi_gpio_info - ACPI GPIO specific information
20 * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
21 * @active_low: in case of @gpioint, the pin is active low
23 struct acpi_gpio_info {
29 void acpi_gpiochip_add(struct gpio_chip *chip);
30 void acpi_gpiochip_remove(struct gpio_chip *chip);
32 struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index,
33 struct acpi_gpio_info *info);
35 static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
36 static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
38 static inline struct gpio_desc *
39 acpi_get_gpiod_by_index(struct device *dev, int index,
40 struct acpi_gpio_info *info)
42 return ERR_PTR(-ENOSYS);
46 #endif /* GPIOLIB_H */