gpio: axp209: Implement get_direction

	return !!(val & BIT(offset + 4));

}

static int axp20x_gpio_get_direction(struct gpio_chip *chip, unsigned offset)

{

	struct axp20x_gpio *gpio = gpiochip_get_data(chip);

	unsigned int val;

	int reg, ret;

	reg = axp20x_gpio_get_reg(offset);

	if (reg < 0)

		return reg;

	ret = regmap_read(gpio->regmap, reg, &val);

	if (ret)

		return ret;

	/*

	 * This shouldn't really happen if the pin is in use already,

	 * or if it's not in use yet, it doesn't matter since we're

	 * going to change the value soon anyway. Default to output.

	 */

	if ((val & AXP20X_GPIO_FUNCTIONS) > 2)

		return 0;

	/*

	 * The GPIO directions are the three lowest values.

	 * 2 is input, 0 and 1 are output

	 */

	return val & 2;

}

static int axp20x_gpio_output(struct gpio_chip *chip, unsigned offset,

			      int value)

{

	gpio->chip.label		= dev_name(&pdev->dev);

	gpio->chip.owner		= THIS_MODULE;

	gpio->chip.get			= axp20x_gpio_get;

	gpio->chip.get_direction	= axp20x_gpio_get_direction;

	gpio->chip.set			= axp20x_gpio_set;

	gpio->chip.direction_input	= axp20x_gpio_input;

	gpio->chip.direction_output	= axp20x_gpio_output;