gpiochip_add_pingroup_range
err = gpiochip_add_pingroup_range(chip, pctldev, pin, group);
ret = gpiochip_add_pingroup_range(chip, pctldev,
EXPORT_SYMBOL_GPL(gpiochip_add_pingroup_range);
int gpiochip_add_pingroup_range(struct gpio_chip *gc,