iio: addac: ad74413r: 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-v2-6-4b36428f39cb@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/addac/ad74413r.c b/drivers/iio/addac/ad74413r.c
index f14d12b03da6673443c479abaa66bee65670bbad..adfa14c4b06f5dfe8d02ff766e7202dc40077f2a 100644 (file)
--- a/drivers/iio/addac/ad74413r.c
+++ b/drivers/iio/addac/ad74413r.c
@@ -276,8 +276,8 @@ static int ad74413r_set_comp_drive_strength(struct ad74413r_state *st,
 }
 
 
-static void ad74413r_gpio_set(struct gpio_chip *chip,
-                             unsigned int offset, int val)
+static int ad74413r_gpio_set(struct gpio_chip *chip, unsigned int offset,
+                            int val)
 {
        struct ad74413r_state *st = gpiochip_get_data(chip);
        unsigned int real_offset = st->gpo_gpio_offsets[offset];
@@ -286,16 +286,16 @@ static void ad74413r_gpio_set(struct gpio_chip *chip,
        ret = ad74413r_set_gpo_config(st, real_offset,
                                      AD74413R_GPO_CONFIG_LOGIC);
        if (ret)
-               return;
+               return ret;
 
-       regmap_update_bits(st->regmap, AD74413R_REG_GPO_CONFIG_X(real_offset),
-                          AD74413R_GPO_CONFIG_DATA_MASK,
-                          val ? AD74413R_GPO_CONFIG_DATA_MASK : 0);
+       return regmap_update_bits(st->regmap,
+                                 AD74413R_REG_GPO_CONFIG_X(real_offset),
+                                 AD74413R_GPO_CONFIG_DATA_MASK,
+                                 val ? AD74413R_GPO_CONFIG_DATA_MASK : 0);
 }
 
-static void ad74413r_gpio_set_multiple(struct gpio_chip *chip,
-                                      unsigned long *mask,
-                                      unsigned long *bits)
+static int ad74413r_gpio_set_multiple(struct gpio_chip *chip,
+                                     unsigned long *mask, unsigned long *bits)
 {
        struct ad74413r_state *st = gpiochip_get_data(chip);
        unsigned long real_mask = 0;
@@ -309,15 +309,15 @@ static void ad74413r_gpio_set_multiple(struct gpio_chip *chip,
                ret = ad74413r_set_gpo_config(st, real_offset,
                        AD74413R_GPO_CONFIG_LOGIC_PARALLEL);
                if (ret)
-                       return;
+                       return ret;
 
                real_mask |= BIT(real_offset);
                if (*bits & offset)
                        real_bits |= BIT(real_offset);
        }
 
-       regmap_update_bits(st->regmap, AD74413R_REG_GPO_PAR_DATA,
-                          real_mask, real_bits);
+       return regmap_update_bits(st->regmap, AD74413R_REG_GPO_PAR_DATA,
+                                 real_mask, real_bits);
 }
 
 static int ad74413r_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -1424,8 +1424,8 @@ static int ad74413r_probe(struct spi_device *spi)
                st->gpo_gpiochip.ngpio = st->num_gpo_gpios;
                st->gpo_gpiochip.parent = st->dev;
                st->gpo_gpiochip.can_sleep = true;
-               st->gpo_gpiochip.set = ad74413r_gpio_set;
-               st->gpo_gpiochip.set_multiple = ad74413r_gpio_set_multiple;
+               st->gpo_gpiochip.set_rv = ad74413r_gpio_set;
+               st->gpo_gpiochip.set_multiple_rv = ad74413r_gpio_set_multiple;
                st->gpo_gpiochip.set_config = ad74413r_gpio_set_gpo_config;
                st->gpo_gpiochip.get_direction =
                        ad74413r_gpio_get_gpo_direction;