diff options
Diffstat (limited to 'drivers/gpio/gpio-menz127.c')
| -rw-r--r-- | drivers/gpio/gpio-menz127.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-menz127.c b/drivers/gpio/gpio-menz127.c index 8c1ab8e1974f..334fe270dcf1 100644 --- a/drivers/gpio/gpio-menz127.c +++ b/drivers/gpio/gpio-menz127.c @@ -88,21 +88,25 @@ static int men_z127_debounce(struct gpio_chip *gc, unsigned gpio, return 0; } -static int men_z127_request(struct gpio_chip *gc, unsigned gpio_pin) +static int men_z127_set_single_ended(struct gpio_chip *gc, + unsigned offset, + enum single_ended_mode mode) { struct men_z127_gpio *priv = gpiochip_get_data(gc); u32 od_en; - if (gpio_pin >= gc->ngpio) - return -EINVAL; + if (mode != LINE_MODE_OPEN_DRAIN && + mode != LINE_MODE_PUSH_PULL) + return -ENOTSUPP; spin_lock(&priv->lock); od_en = readl(priv->reg_base + MEN_Z127_ODER); - if (gpiochip_line_is_open_drain(gc, gpio_pin)) - od_en |= BIT(gpio_pin); + if (mode == LINE_MODE_OPEN_DRAIN) + od_en |= BIT(offset); else - od_en &= ~BIT(gpio_pin); + /* Implicitly LINE_MODE_PUSH_PULL */ + od_en &= ~BIT(offset); writel(od_en, priv->reg_base + MEN_Z127_ODER); spin_unlock(&priv->lock); @@ -147,7 +151,7 @@ static int men_z127_probe(struct mcb_device *mdev, goto err_unmap; men_z127_gpio->gc.set_debounce = men_z127_debounce; - men_z127_gpio->gc.request = men_z127_request; + men_z127_gpio->gc.set_single_ended = men_z127_set_single_ended; ret = gpiochip_add_data(&men_z127_gpio->gc, men_z127_gpio); if (ret) { |