blob: 4c120a1e0ca3b0cbe4070f20b7a2905582f62b6c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
#ifndef _LINUX_ACPI_GPIO_H_
#define _LINUX_ACPI_GPIO_H_
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/gpio.h>
/**
* struct acpi_gpio_info - ACPI GPIO specific information
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
*/
struct acpi_gpio_info {
bool gpioint;
};
#ifdef CONFIG_GPIO_ACPI
int acpi_get_gpio(char *path, int pin);
int acpi_get_gpio_by_index(struct device *dev, int index,
struct acpi_gpio_info *info);
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
#else /* CONFIG_GPIO_ACPI */
static inline int acpi_get_gpio(char *path, int pin)
{
return -ENODEV;
}
static inline int acpi_get_gpio_by_index(struct device *dev, int index,
struct acpi_gpio_info *info)
{
return -ENODEV;
}
static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
#endif /* CONFIG_GPIO_ACPI */
#endif /* _LINUX_ACPI_GPIO_H_ */
|
