pwm: pca9685: Remove unused duty_cycle struct element

duty_cycle was only set, never read.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index b07bdca..19ac971 100644 (file)
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -69,7 +69,6 @@
 struct pca9685 {
        struct pwm_chip chip;
        struct regmap *regmap;
-       int duty_ns;
        int period_ns;
 #if IS_ENABLED(CONFIG_GPIOLIB)
        struct mutex lock;
@@ -272,8 +271,6 @@ static int pca9685_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
                }
        }
 
-       pca->duty_ns = duty_ns;
-
        if (duty_ns < 1) {
                if (pwm->hwpwm >= PCA9685_MAXCHAN)
                        reg = PCA9685_ALL_LED_OFF_H;
@@ -449,7 +446,6 @@ static int pca9685_pwm_probe(struct i2c_client *client,
                        ret);
                return ret;
        }
-       pca->duty_ns = 0;
        pca->period_ns = PCA9685_DEFAULT_PERIOD;
 
        i2c_set_clientdata(client, pca);