media: dvb-frontends/cxd2820r: 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>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c
index c3d8ced6c3baa6608e17cc4797dbeddc5a5ed510..a31a8a6a494652e6aae874c399fc70df3f9ee172 100644 (file)
--- a/drivers/media/dvb-frontends/cxd2820r_core.c
+++ b/drivers/media/dvb-frontends/cxd2820r_core.c
@@ -433,7 +433,7 @@ static int cxd2820r_gpio_direction_output(struct gpio_chip *chip, unsigned nr,
        return cxd2820r_gpio(&priv->fe, gpio);
 }
 
-static void cxd2820r_gpio_set(struct gpio_chip *chip, unsigned nr, int val)
+static int cxd2820r_gpio_set(struct gpio_chip *chip, unsigned int nr, int val)
 {
        struct cxd2820r_priv *priv = gpiochip_get_data(chip);
        struct i2c_client *client = priv->client[0];
@@ -446,7 +446,7 @@ static void cxd2820r_gpio_set(struct gpio_chip *chip, unsigned nr, int val)
 
        (void) cxd2820r_gpio(&priv->fe, gpio);
 
-       return;
+       return 0;
 }
 
 static int cxd2820r_gpio_get(struct gpio_chip *chip, unsigned nr)
@@ -651,7 +651,7 @@ static int cxd2820r_probe(struct i2c_client *client)
                priv->gpio_chip.parent = &client->dev;
                priv->gpio_chip.owner = THIS_MODULE;
                priv->gpio_chip.direction_output = cxd2820r_gpio_direction_output;
-               priv->gpio_chip.set = cxd2820r_gpio_set;
+               priv->gpio_chip.set_rv = cxd2820r_gpio_set;
                priv->gpio_chip.get = cxd2820r_gpio_get;
                priv->gpio_chip.base = -1; /* Dynamic allocation */
                priv->gpio_chip.ngpio = GPIO_COUNT;