2 * Internal GPIO functions.
4 * Copyright (C) 2013, Intel Corporation
5 * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
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 */
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