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gpio: sch: Implement .get_direction() 

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

Cc: Denis Turischev <denis.turischev@compulab.co.il>
Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2018-06-27 10:39:31 +02:00
parent 4c1abc84f4
commit d8e764c2cc
1 changed files with 8 additions and 0 deletions
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8
drivers/gpio/gpio-sch.c
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@ -137,6 +137,13 @@ static int sch_gpio_direction_out(struct gpio_chip *gc, unsigned gpio_num,
return 0;
}
static int sch_gpio_get_direction(struct gpio_chip *gc, unsigned gpio_num)
{
struct sch_gpio *sch = gpiochip_get_data(gc);
return sch_gpio_reg_get(sch, gpio_num, GIO);
}
static const struct gpio_chip sch_gpio_chip = {
.label = "sch_gpio",
.owner = THIS_MODULE,
@ -144,6 +151,7 @@ static const struct gpio_chip sch_gpio_chip = {
.get = sch_gpio_get,
.direction_output = sch_gpio_direction_out,
.set = sch_gpio_set,
.get_direction = sch_gpio_get_direction,
};
static int sch_gpio_probe(struct platform_device *pdev)