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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/linux/acpi_gpio.h
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
13 * @active_low: in case of @gpioint, the pin is active low
15 struct acpi_gpio_info
{
20 #ifdef CONFIG_GPIO_ACPI
22 struct gpio_desc
*acpi_get_gpiod_by_index(struct device
*dev
, int index
,
23 struct acpi_gpio_info
*info
);
24 void acpi_gpiochip_request_interrupts(struct gpio_chip
*chip
);
25 void acpi_gpiochip_free_interrupts(struct gpio_chip
*chip
);
27 #else /* CONFIG_GPIO_ACPI */
29 static inline struct gpio_desc
*
30 acpi_get_gpiod_by_index(struct device
*dev
, int index
,
31 struct acpi_gpio_info
*info
)
33 return ERR_PTR(-ENOSYS
);
36 static inline void acpi_gpiochip_request_interrupts(struct gpio_chip
*chip
) { }
37 static inline void acpi_gpiochip_free_interrupts(struct gpio_chip
*chip
) { }
39 #endif /* CONFIG_GPIO_ACPI */
41 static inline int acpi_get_gpio_by_index(struct device
*dev
, int index
,
42 struct acpi_gpio_info
*info
)
44 struct gpio_desc
*desc
= acpi_get_gpiod_by_index(dev
, index
, info
);
48 return desc_to_gpio(desc
);
51 #endif /* _LINUX_ACPI_GPIO_H_ */