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Diffstat (limited to 'include/linux/acpi_gpio.h')
-rw-r--r--include/linux/acpi_gpio.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/include/linux/acpi_gpio.h b/include/linux/acpi_gpio.h
index 4c120a1e0ca3..d875bc3dba3c 100644
--- a/include/linux/acpi_gpio.h
+++ b/include/linux/acpi_gpio.h
@@ -2,36 +2,35 @@
#define _LINUX_ACPI_GPIO_H_
#include <linux/device.h>
+#include <linux/err.h>
#include <linux/errno.h>
#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
/**
* struct acpi_gpio_info - ACPI GPIO specific information
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
+ * @active_low: in case of @gpioint, the pin is active low
*/
struct acpi_gpio_info {
bool gpioint;
+ bool active_low;
};
#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);
+struct gpio_desc *acpi_get_gpiod_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)
+static inline struct gpio_desc *
+acpi_get_gpiod_by_index(struct device *dev, int index,
+ struct acpi_gpio_info *info)
{
- return -ENODEV;
-}
-
-static inline int acpi_get_gpio_by_index(struct device *dev, int index,
- struct acpi_gpio_info *info)
-{
- return -ENODEV;
+ return ERR_PTR(-ENOSYS);
}
static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
@@ -39,4 +38,14 @@ static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
#endif /* CONFIG_GPIO_ACPI */
+static inline int acpi_get_gpio_by_index(struct device *dev, int index,
+ struct acpi_gpio_info *info)
+{
+ struct gpio_desc *desc = acpi_get_gpiod_by_index(dev, index, info);
+
+ if (IS_ERR(desc))
+ return PTR_ERR(desc);
+ return desc_to_gpio(desc);
+}
+
#endif /* _LINUX_ACPI_GPIO_H_ */