there is still a problem but i'm not sure where... for example, on OBS i have no sound from built in line in (even indicators on OBS and system properites/Sound shows that there is a sound from this specific source), on facebook live sound has very poor quality and i can't set it good... i dont know where the issue is...
EDIT: I found proper settings for OBS and built-in line in. And all IN's works properly, as on UBUNTU. But it doesn't mean it works totally correct. SPDIF port should work also as Line Out (depends what kind of cable I connect.), with possibility to change the Volume level...Right now, working only as SPDIF without Volume level control (on Ubuntu was possible to change the volume). But I think this way is the best way, what I can achieve with this sound card. So, @InsanelyDeepak, thank you very much