pwm_round_waveform_might_sleep
ret = pwm_round_waveform_might_sleep(st->cnv_pwm, &cnv_wf);
ret = pwm_round_waveform_might_sleep(st->clk_gate_pwm, &clk_gate_wf);
ret = pwm_round_waveform_might_sleep(pwm, &wf);
ret = pwm_round_waveform_might_sleep(pwm, &wf);
EXPORT_SYMBOL_GPL(pwm_round_waveform_might_sleep);
ret = pwm_round_waveform_might_sleep(st->pwm, &wf);
int pwm_round_waveform_might_sleep(struct pwm_device *pwm, struct pwm_waveform *wf);