gpio: wm8994: use new GPIO line value setter callbacks

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250709-gpiochip-set-rv-gpio-remaining-v1-8-b8950f69618d@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
index bf05c9b5882b89c1abbe7a0617f6a45e2968dd50..ccc005628dd278f2db5e5d8bbefe89dfb1fb2f67 100644 (file)
--- a/drivers/gpio/gpio-wm8994.c
+++ b/drivers/gpio/gpio-wm8994.c
@@ -89,7 +89,8 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip,
                               WM8994_GPN_DIR | WM8994_GPN_LVL, value);
 }
 
-static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int wm8994_gpio_set(struct gpio_chip *chip, unsigned int offset,
+                          int value)
 {
        struct wm8994_gpio *wm8994_gpio = gpiochip_get_data(chip);
        struct wm8994 *wm8994 = wm8994_gpio->wm8994;
@@ -97,7 +98,8 @@ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
        if (value)
                value = WM8994_GPN_LVL;
 
-       wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL, value);
+       return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL,
+                              value);
 }
 
 static int wm8994_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
@@ -254,7 +256,7 @@ static const struct gpio_chip template_chip = {
        .direction_input        = wm8994_gpio_direction_in,
        .get                    = wm8994_gpio_get,
        .direction_output       = wm8994_gpio_direction_out,
-       .set                    = wm8994_gpio_set,
+       .set_rv                 = wm8994_gpio_set,
        .set_config             = wm8994_gpio_set_config,
        .to_irq                 = wm8994_gpio_to_irq,
        .dbg_show               = wm8994_gpio_dbg_show,