iio: addac: ad74115: 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.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250409-gpiochip-set-rv-iio-v2-7-4b36428f39cb@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/addac/ad74115.c b/drivers/iio/addac/ad74115.c
index edccdc9..4d8b640 100644 (file)
--- a/drivers/iio/addac/ad74115.c
+++ b/drivers/iio/addac/ad74115.c
@@ -542,18 +542,16 @@ static int ad74115_gpio_get(struct gpio_chip *gc, unsigned int offset)
        return FIELD_GET(AD74115_GPIO_CONFIG_GPI_DATA, val);
 }
 
-static void ad74115_gpio_set(struct gpio_chip *gc, unsigned int offset, int value)
+static int ad74115_gpio_set(struct gpio_chip *gc, unsigned int offset,
+                           int value)
 {
        struct ad74115_state *st = gpiochip_get_data(gc);
-       struct device *dev = &st->spi->dev;
-       int ret;
 
-       ret = regmap_update_bits(st->regmap, AD74115_GPIO_CONFIG_X_REG(offset),
-                                AD74115_GPIO_CONFIG_GPO_DATA,
-                                FIELD_PREP(AD74115_GPIO_CONFIG_GPO_DATA, value));
-       if (ret)
-               dev_err(dev, "Failed to set GPIO %u output value, err: %d\n",
-                       offset, ret);
+       return regmap_update_bits(st->regmap,
+                                 AD74115_GPIO_CONFIG_X_REG(offset),
+                                 AD74115_GPIO_CONFIG_GPO_DATA,
+                                 FIELD_PREP(AD74115_GPIO_CONFIG_GPO_DATA,
+                                            value));
 }
 
 static int ad74115_set_comp_debounce(struct ad74115_state *st, unsigned int val)
@@ -1579,7 +1577,7 @@ static int ad74115_setup_gpio_chip(struct ad74115_state *st)
                .direction_input = ad74115_gpio_direction_input,
                .direction_output = ad74115_gpio_direction_output,
                .get = ad74115_gpio_get,
-               .set = ad74115_gpio_set,
+               .set_rv = ad74115_gpio_set,
        };
 
        return devm_gpiochip_add_data(dev, &st->gc, st);