diff options
| -rw-r--r-- | drivers/pwm/pwm-cros-ec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c index d3115cb0e058..9fffb566af5f 100644 --- a/drivers/pwm/pwm-cros-ec.c +++ b/drivers/pwm/pwm-cros-ec.c @@ -124,6 +124,9 @@ static int cros_ec_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (state->period != EC_PWM_MAX_DUTY) return -EINVAL; + if (state->polarity != PWM_POLARITY_NORMAL) + return -EINVAL; + /* * EC doesn't separate the concept of duty cycle and enabled, but * kernel does. Translate. |