set_iwake_ltrdid
set_iwake_ltrdid(isys, 0, 0, LTR_IWAKE_OFF);
set_iwake_ltrdid(isys, 0, 0, LTR_IWAKE_OFF);
set_iwake_ltrdid(isys, ltr, did, ltr_did_type);
set_iwake_ltrdid(isys, 0, 0, LTR_ISYS_ON);
set_iwake_ltrdid(isys, 0, 0, LTR_ISYS_OFF);