MAX7360_PWM_PERIOD_NS
if (wf->duty_length_ns >= MAX7360_PWM_PERIOD_NS) {
duty_steps = (u32)wf->duty_length_ns * MAX7360_PWM_STEPS / MAX7360_PWM_PERIOD_NS;
if (wf->period_length_ns && wf->period_length_ns < MAX7360_PWM_PERIOD_NS)
wf->period_length_ns = wfhw->enabled ? MAX7360_PWM_PERIOD_NS : 0;
wf->duty_length_ns = MAX7360_PWM_PERIOD_NS;
wf->duty_length_ns = DIV_ROUND_UP(wfhw->duty_steps * MAX7360_PWM_PERIOD_NS,