_period 580 include/linux/pwm.h _period, _polarity, _module) \ _period 586 include/linux/pwm.h .period = _period, \ _period 591 include/linux/pwm.h #define PWM_LOOKUP(_provider, _index, _dev_id, _con_id, _period, _polarity) \ _period 592 include/linux/pwm.h PWM_LOOKUP_WITH_MODULE(_provider, _index, _dev_id, _con_id, _period, \