diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 9febaef6767d..cbafcd95243e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -242,6 +242,19 @@ struct gpio_device *gpiod_to_gpio_device(struct gpio_desc *desc) EXPORT_SYMBOL_GPL(gpiod_to_gpio_device); /** + * gpio_device_get_base() - Get the base GPIO number allocated by this device + * @gdev: GPIO device + * + * Returns: + * First GPIO number in the global GPIO numberspace for this device. + */ +int gpio_device_get_base(struct gpio_device *gdev) +{ + return gdev->base; +} +EXPORT_SYMBOL_GPL(gpio_device_get_base); + +/** * gpio_device_get_chip() - Get the gpio_chip implementation of this GPIO device * @gdev: GPIO device * |