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include/linux/acpi_gpio.h
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include/linux/acpi_gpio.h
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#ifndef _LINUX_ACPI_GPIO_H_
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#define _LINUX_ACPI_GPIO_H_
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/gpio.h>
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/**
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* struct acpi_gpio_info - ACPI GPIO specific information
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* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
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*/
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struct acpi_gpio_info {
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bool gpioint;
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};
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#ifdef CONFIG_GPIO_ACPI
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int acpi_get_gpio(char *path, int pin);
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int acpi_get_gpio_by_index(struct device *dev, int index,
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struct acpi_gpio_info *info);
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void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
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void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
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#else /* CONFIG_GPIO_ACPI */
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static inline int acpi_get_gpio(char *path, int pin)
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{
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return -ENODEV;
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}
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static inline int acpi_get_gpio_by_index(struct device *dev, int index,
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struct acpi_gpio_info *info)
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{
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return -ENODEV;
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}
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static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
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static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
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#endif /* CONFIG_GPIO_ACPI */
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#endif /* _LINUX_ACPI_GPIO_H_ */
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