diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/meson/pinctrl-meson.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index bbc919bef2bf..291f3078e7c7 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -549,6 +549,18 @@ static const struct pinconf_ops meson_pinconf_ops = { .is_generic = true, }; +static int meson_gpio_get_direction(struct gpio_chip *chip, unsigned gpio) +{ + struct meson_pinctrl *pc = gpiochip_get_data(chip); + int ret; + + ret = meson_pinconf_get_output(pc, gpio); + if (ret < 0) + return ret; + + return ret ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN; +} + static int meson_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) { return meson_pinconf_set_output(gpiochip_get_data(chip), gpio, false); @@ -591,6 +603,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc) pc->chip.parent = pc->dev; pc->chip.request = gpiochip_generic_request; pc->chip.free = gpiochip_generic_free; + pc->chip.get_direction = meson_gpio_get_direction; pc->chip.direction_input = meson_gpio_direction_input; pc->chip.direction_output = meson_gpio_direction_output; pc->chip.get = meson_gpio_get; |