static ssize_t pwm_period_ns_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct pwm_device *p = dev_get_drvdata(dev);
return sprintf(buf, "%lu\n", pwm_get_period_ns(p));
}
pwm_result_t pwm_get_config(pwm_handle handle, pwm_chan_config *config)
{
pwm_internal *pwm;
struct pwm_channel *p;
pwm = (pwm_internal *)handle;
if (!pwm || (PWM_MAGIC !=pwm->magic) || !pwm->data || !config)
{
return PWM_INVALID_PARAM;
}
p = (struct pwm_channel *)pwm->data;
config->duty_ns = pwm_get_duty_ns(p);
config->period_ns = pwm_get_period_ns(p);
config->duty_percent = pwm_get_duty_percent(p);
config->polarity = pwm_get_polarity(p);
return PWM_OK;
}
