X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fgpio%2Fgpiolib.h;h=82be586c1f90edd8946cf5d9a23e208bc6dbbccc;hb=03d11a0e458d7008192585124e4c3313c2829046;hp=2ed23ab8298c88bbc0cc8efd5b98f0ed22369ed2;hpb=664e3e5ac64c8a1999e2d94bc307e5bcd17d3646;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 2ed23ab8298c..82be586c1f90 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -12,12 +12,35 @@
 #ifndef GPIOLIB_H
 #define GPIOLIB_H
 
+#include <linux/err.h>
+#include <linux/device.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_ACPI
 void acpi_gpiochip_add(struct gpio_chip *chip);
 void acpi_gpiochip_remove(struct gpio_chip *chip);
+
+struct gpio_desc *acpi_get_gpiod_by_index(struct device *dev, int index,
+					  struct acpi_gpio_info *info);
 #else
 static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
 static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
+
+static inline struct gpio_desc *
+acpi_get_gpiod_by_index(struct device *dev, int index,
+			struct acpi_gpio_info *info)
+{
+	return ERR_PTR(-ENOSYS);
+}
 #endif
 
 #endif /* GPIOLIB_H */