Commit f9e03b0e authored by Linus Walleij's avatar Linus Walleij
Browse files

gpio: sch311x: Implement .get_direction() 



It's pretty simple to implement the .get_direction() for this
chip, so let's just do it.

Cc: Bruno Randolf <br1@einfach.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 30467c19

drivers/gpio/gpio-sch311x.c

+13 −0
Original line number Diff line number Diff line
@@ -221,6 +221,18 @@ static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, 
	return 0;

}



static int sch311x_gpio_get_direction(struct gpio_chip *chip, unsigned offset)

{

	struct sch311x_gpio_block *block = gpiochip_get_data(chip);

	unsigned char data;



	spin_lock(&block->lock);

	data = inb(block->runtime_reg + block->config_regs[offset]);

	spin_unlock(&block->lock);



	return !!(data & SCH311X_GPIO_CONF_IN);

}



static int sch311x_gpio_probe(struct platform_device *pdev)

{

	struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev);
@@ -253,6 +265,7 @@ static int sch311x_gpio_probe(struct platform_device *pdev) 
		block->chip.free = sch311x_gpio_free;

		block->chip.direction_input = sch311x_gpio_direction_in;

		block->chip.direction_output = sch311x_gpio_direction_out;

		block->chip.get_direction = sch311x_gpio_get_direction;

		block->chip.get = sch311x_gpio_get;

		block->chip.set = sch311x_gpio_set;

		block->chip.ngpio = 8;