Comment 268 for bug 1958019

Revision history for this message
In , DavidLenovoFr (davidlenovofr-linux-kernel-bugs) wrote :

(In reply to wave from comment #203)
> (In reply to Cameron from comment #198)
> > As my previous posts/attachments imply, I managed to get the sound card
> > working in a Windows 10 VM with PCIE passthrough and I've been able to
> trace
> > the events.
> >
> > I was able to get this process working by following these threads,
> > As well as reading various wikis:
> > https://bugzilla.kernel.org/show_bug.cgi?id=207423
> > https://bbs.archlinux.org/viewtopic.php?id=256009
> >
> > If anyone is interested in trying this and needs help, I can probably help
> > you get going into the right direction at the very least.
> >
> > The issue I had previously is that I would say I had to be more
> "aggressive"
> > in getting Windows to use the correct driver. You'll know it's working when
> > you're able to play audio in your VM and hear it through the laptop's
> > speakers.
> >
> > Might also be helpful if someone does this on a Yoga Slim. Perhaps there
> are
> > some differences in the verbs that must be sent out to the sound card.
> >
> > From here I guess what needs to be done is figure out what from these
> traces
> > is needed and maybe try to write a script that that calls hda-verb to send
> > the same verbs to the sound card under Linux (don't forget to re-enable the
> > card for use under Linux again if you had PCIE passthrough setup!).
> >
> > I'll sign up with the ALSA mailing list and give an update on this issue
> > since I suspect there's likely enough here for progress to be made.
>
> That sounds very promising, thank you very much! I don't currently have time
> but I'm definitely intrigued to look into this and hopefully finally develop
> a real fix.

Thanks you very much, it is the same for me.