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-rw-r--r--include/linux/pwm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index d8f6913..6f286df 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -124,6 +124,11 @@ static inline unsigned int pwm_get_duty_cycle(const struct pwm_device *pwm)
*/
int pwm_set_polarity(struct pwm_device *pwm, enum pwm_polarity polarity);
+static inline enum pwm_polarity pwm_get_polarity(const struct pwm_device *pwm)
+{
+ return pwm ? pwm->polarity : PWM_POLARITY_NORMAL;
+}
+
/**
* struct pwm_ops - PWM controller operations
* @request: optional hook for requesting a PWM
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