Commit 29f1d5ca authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Uwe Kleine-König
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pwm: pca9685: 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: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-pwm-v1-1-61e5c3358a74@linaro.org


Signed-off-by: default avatarUwe Kleine-König <ukleinek@kernel.org>
parent 96d20cfd

drivers/pwm/pwm-pca9685.c

+5 −3
Original line number Diff line number Diff line
@@ -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,

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;