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path: root/drivers/pwm/pwm-pca9685.c
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Diffstat (limited to 'drivers/pwm/pwm-pca9685.c')
-rw-r--r--drivers/pwm/pwm-pca9685.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index 117fccf7934a..01a6a83f625d 100644
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -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");