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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
gpio: pca9570: 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.
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>
+3
-2
+3
-2
drivers/gpio/gpio-pca9570.c
+3
-2
drivers/gpio/gpio-pca9570.c
···
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88
return !!(buffer & BIT(offset));
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}
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91
-
static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value)
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+
static int pca9570_set(struct gpio_chip *chip, unsigned int offset, int value)
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{
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struct pca9570 *gpio = gpiochip_get_data(chip);
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94
u8 buffer;
···
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out:
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mutex_unlock(&gpio->lock);
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+
return ret;
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}
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static int pca9570_probe(struct i2c_client *client)
···
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gpio->chip.owner = THIS_MODULE;
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126
gpio->chip.get_direction = pca9570_get_direction;
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127
gpio->chip.get = pca9570_get;
129
-
gpio->chip.set = pca9570_set;
128
+
gpio->chip.set_rv = pca9570_set;
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gpio->chip.base = -1;
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gpio->chip_data = device_get_match_data(&client->dev);
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gpio->chip.ngpio = gpio->chip_data->ngpio;