gpio: adp5585: use new 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.

Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Link: https://lore.kernel.org/r/20250303-gpiochip-set-conversion-v1-6-1d5cceeebf8b@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: Bartosz Golaszewski

drivers/gpio/gpio-adp5585.c

@@ -86,14 +86,16 @@ static int adp5585_gpio_get_value(struct gpio_chip *chip, unsigned int off)
 	return !!(val & bit);
 }
 
-static void adp5585_gpio_set_value(struct gpio_chip *chip, unsigned int off, int val)
+static int adp5585_gpio_set_value(struct gpio_chip *chip, unsigned int off,
+				  int val)
 {
 	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
 	unsigned int bank = ADP5585_BANK(off);
 	unsigned int bit = ADP5585_BIT(off);
 
-	regmap_update_bits(adp5585_gpio->regmap, ADP5585_GPO_DATA_OUT_A + bank,
-			   bit, val ? bit : 0);
+	return regmap_update_bits(adp5585_gpio->regmap,
+				  ADP5585_GPO_DATA_OUT_A + bank,
+				  bit, val ? bit : 0);
 }
 
 static int adp5585_gpio_set_bias(struct adp5585_gpio_dev *adp5585_gpio,
@@ -192,7 +194,7 @@ static int adp5585_gpio_probe(struct platform_device *pdev)
 	gc->direction_input = adp5585_gpio_direction_input;
 	gc->direction_output = adp5585_gpio_direction_output;
 	gc->get = adp5585_gpio_get_value;
-	gc->set = adp5585_gpio_set_value;
+	gc->set_rv = adp5585_gpio_set_value;
 	gc->set_config = adp5585_gpio_set_config;
 	gc->can_sleep = true;