diff options
| -rw-r--r-- | drivers/pwm/sysfs.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index ac0abecfbaa0..fbfc9e903230 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -133,9 +133,19 @@ static ssize_t pwm_polarity_show(struct device *child, char *buf) { const struct pwm_device *pwm = child_to_pwm_device(child); + const char *polarity = "unknown"; - return sprintf(buf, "%s\n", - pwm_get_polarity(pwm) ? "inversed" : "normal"); + switch (pwm_get_polarity(pwm)) { + case PWM_POLARITY_NORMAL: + polarity = "normal"; + break; + + case PWM_POLARITY_INVERSED: + polarity = "inversed"; + break; + } + + return sprintf(buf, "%s\n", polarity); } static ssize_t pwm_polarity_store(struct device *child, |