github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 18:13:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

gpio: pca9570: use new GPIO line value setter callbacks

Browse Source 
struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Link: https://lore.kernel.org/r/20250619-gpiochip-set-rv-gpio-v2-1-74abf689fbd8@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-06-19 10:33:14 +02:00
parent a0cfbc67d7
commit 40b71f1171
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpio/gpio-pca9570.c
View File

@ -88,7 +88,7 @@ static int pca9570_get(struct gpio_chip *chip, unsigned offset)
return !!(buffer & BIT(offset));
}
static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value)
static int pca9570_set(struct gpio_chip *chip, unsigned int offset, int value)
{
struct pca9570 *gpio = gpiochip_get_data(chip);
u8 buffer;
@ -110,6 +110,7 @@ static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value)
out:
mutex_unlock(&gpio->lock);
return ret;
}
static int pca9570_probe(struct i2c_client *client)
@ -125,7 +126,7 @@ static int pca9570_probe(struct i2c_client *client)
gpio->chip.owner = THIS_MODULE;
gpio->chip.get_direction = pca9570_get_direction;
gpio->chip.get = pca9570_get;
gpio->chip.set = pca9570_set;
gpio->chip.set_rv = pca9570_set;
gpio->chip.base = -1;
gpio->chip_data = device_get_match_data(&client->dev);
gpio->chip.ngpio = gpio->chip_data->ngpio;