__gpiod_get_index_optional 48 include/linux/gpio/consumer.h struct gpio_desc *__must_check __gpiod_get_index_optional(struct device *dev, __gpiod_get_index_optional 306 include/linux/gpio/consumer.h __gpiod_get_index_optional(dev, con_id, index, flags) __gpiod_get_index_optional 308 include/linux/gpio/consumer.h __gpiod_get_index_optional(varargs, 0)