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path: root/drivers/pwm/pwm-cros-ec.c
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Diffstat (limited to 'drivers/pwm/pwm-cros-ec.c')
-rw-r--r--drivers/pwm/pwm-cros-ec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-cros-ec.c b/drivers/pwm/pwm-cros-ec.c
index c1c337969e4e..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.
@@ -253,7 +256,6 @@ static int cros_ec_pwm_probe(struct platform_device *pdev)
chip->ops = &cros_ec_pwm_ops;
chip->of_xlate = cros_ec_pwm_xlate;
chip->of_pwm_n_cells = 1;
- chip->base = -1;
ret = cros_ec_num_pwms(ec);
if (ret < 0) {
dev_err(dev, "Couldn't find PWMs: %d\n", ret);