pwm_get_waveform_might_sleep
ret = pwm_get_waveform_might_sleep(pwm, &wf);
err = pwm_get_waveform_might_sleep(pwm, &wf);
EXPORT_SYMBOL_GPL(pwm_get_waveform_might_sleep);
ret = pwm_get_waveform_might_sleep(st->pwm, &wf);
int pwm_get_waveform_might_sleep(struct pwm_device *pwm, struct pwm_waveform *wf);