Commit f9e03b0e authored by Linus Walleij's avatar Linus Walleij

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
...@@ -221,6 +221,18 @@ static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, ...@@ -221,6 +221,18 @@ static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset,
return 0; 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) static int sch311x_gpio_probe(struct platform_device *pdev)
{ {
struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev); struct sch311x_pdev_data *pdata = dev_get_platdata(&pdev->dev);
...@@ -253,6 +265,7 @@ static int sch311x_gpio_probe(struct platform_device *pdev) ...@@ -253,6 +265,7 @@ static int sch311x_gpio_probe(struct platform_device *pdev)
block->chip.free = sch311x_gpio_free; block->chip.free = sch311x_gpio_free;
block->chip.direction_input = sch311x_gpio_direction_in; block->chip.direction_input = sch311x_gpio_direction_in;
block->chip.direction_output = sch311x_gpio_direction_out; block->chip.direction_output = sch311x_gpio_direction_out;
block->chip.get_direction = sch311x_gpio_get_direction;
block->chip.get = sch311x_gpio_get; block->chip.get = sch311x_gpio_get;
block->chip.set = sch311x_gpio_set; block->chip.set = sch311x_gpio_set;
block->chip.ngpio = 8; block->chip.ngpio = 8;
......
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