pwm: pca9685: Fix period change with same duty cycle (59d39c25) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/pwm/pwm-pca9685.c

+0 −11

Original line number	Diff line number	Diff line
		@@ -65,7 +65,6 @@
		#define PCA9685_MAXCHAN 0x10

		#define LED_FULL (1 << 4)
		#define MODE1_RESTART (1 << 7)
		#define MODE1_SLEEP (1 << 4)
		#define MODE2_INVRT (1 << 4)
		#define MODE2_OUTDRV (1 << 2)
		@@ -117,16 +116,6 @@ static int pca9685_pwm_config(struct pwm_chip chip, struct pwm_device pwm,
		udelay(500);

		pca->period_ns = period_ns;

		/*
		* If the duty cycle did not change, restart PWM with
		* the same duty cycle to period ratio and return.
		*/
		if (duty_ns == pca->duty_ns) {
		regmap_update_bits(pca->regmap, PCA9685_MODE1,
		MODE1_RESTART, 0x1);
		return 0;
		}
		} else {
		dev_err(chip->dev,
		"prescaler not set: period out of bounds!\n");