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pwm: pca9685: Use new GPIO line value setter callbacks

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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>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-pwm-v1-1-61e5c3358a74@linaro.org
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
This commit is contained in:
Bartosz Golaszewski
2025-04-08 09:31:46 +02:00
committed by Uwe Kleine-König
parent 96d20cfd16
commit 29f1d5cac2
1 changed files with 5 additions and 3 deletions
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8
drivers/pwm/pwm-pca9685.c
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@@ -263,12 +263,14 @@ static int pca9685_pwm_gpio_get(struct gpio_chip *gpio, unsigned int offset)
return pca9685_pwm_get_duty(chip, offset) != 0;
}
static void pca9685_pwm_gpio_set(struct gpio_chip *gpio, unsigned int offset,
int value)
static int pca9685_pwm_gpio_set(struct gpio_chip *gpio, unsigned int offset,
int value)
{
struct pwm_chip *chip = gpiochip_get_data(gpio);
pca9685_pwm_set_duty(chip, offset, value ? PCA9685_COUNTER_RANGE : 0);
return 0;
}
static void pca9685_pwm_gpio_free(struct gpio_chip *gpio, unsigned int offset)
@@ -321,7 +323,7 @@ static int pca9685_pwm_gpio_probe(struct pwm_chip *chip)
pca->gpio.direction_input = pca9685_pwm_gpio_direction_input;
pca->gpio.direction_output = pca9685_pwm_gpio_direction_output;
pca->gpio.get = pca9685_pwm_gpio_get;
pca->gpio.set = pca9685_pwm_gpio_set;
pca->gpio.set_rv = pca9685_pwm_gpio_set;
pca->gpio.base = -1;
pca->gpio.ngpio = PCA9685_MAXCHAN;
pca->gpio.can_sleep = true;