media: solo6x10: 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/pci/solo6x10/solo6x10-gpio.c b/drivers/media/pci/solo6x10/solo6x10-gpio.c
index f51f865c69bd7b04fac7a1f951c734965d8fc993..b16a8453a62afd5a420b03bfb1967d18e1cb1167 100644 (file)
--- a/drivers/media/pci/solo6x10/solo6x10-gpio.c
+++ b/drivers/media/pci/solo6x10/solo6x10-gpio.c
@@ -127,8 +127,8 @@ static int solo_gpiochip_get(struct gpio_chip *chip,
        return 1 & (ret >> (offset + 8));
 }
 
-static void solo_gpiochip_set(struct gpio_chip *chip,
-                                               unsigned int offset, int value)
+static int solo_gpiochip_set(struct gpio_chip *chip,
+                            unsigned int offset, int value)
 {
        struct solo_dev *solo_dev = gpiochip_get_data(chip);
 
@@ -136,6 +136,8 @@ static void solo_gpiochip_set(struct gpio_chip *chip,
                solo_gpio_set(solo_dev, 1 << (offset + 8));
        else
                solo_gpio_clear(solo_dev, 1 << (offset + 8));
+
+       return 0;
 }
 #endif
 
@@ -156,7 +158,7 @@ int solo_gpio_init(struct solo_dev *solo_dev)
 
        solo_dev->gpio_dev.get_direction = solo_gpiochip_get_direction;
        solo_dev->gpio_dev.get = solo_gpiochip_get;
-       solo_dev->gpio_dev.set = solo_gpiochip_set;
+       solo_dev->gpio_dev.set_rv = solo_gpiochip_set;
 
        ret = gpiochip_add_data(&solo_dev->gpio_dev, solo_dev);