diff options
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 2d9ea5e0cab3..9ed29342f41e 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -20,6 +20,7 @@ enum of_gpio_flags; enum gpiod_flags; +enum gpio_lookup_flags; struct acpi_device; /** @@ -86,6 +87,21 @@ struct acpi_gpio_info { /* gpio suffixes used for ACPI and device tree lookup */ static const char * const gpio_suffixes[] = { "gpios", "gpio" }; +#ifdef CONFIG_OF_GPIO +struct gpio_desc *of_find_gpio(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpio_lookup_flags *flags); +#else +static inline struct gpio_desc *of_find_gpio(struct device *dev, + const char *con_id, + unsigned int idx, + enum gpio_lookup_flags *flags) +{ + return ERR_PTR(-ENOENT); +} +#endif /* CONFIG_OF_GPIO */ + #ifdef CONFIG_ACPI void acpi_gpiochip_add(struct gpio_chip *chip); void acpi_gpiochip_remove(struct gpio_chip *chip); |