auimpl_engine_setup
rv = auimpl_engine_setup(sp, 0, &parms, FORMAT_MSK_FMT);
rv = auimpl_engine_setup(sp, 0, &parms, FORMAT_MSK_CHAN);
rv = auimpl_engine_setup(sp, 0, &parms, FORMAT_MSK_RATE);
return (auimpl_engine_setup(sp, flags, NULL, FORMAT_MSK_NONE));
return (auimpl_engine_setup(sp, flags, parms, mask));
int auimpl_engine_setup(audio_stream_t *, int, audio_parms_t *, uint_t);