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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 09-18-2021, 07:37 PM   #1
nooobeee
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Audio from Speakers with Tiger Lake-H HD Audio


I have a post on an arch forum and while making some progress figured I'd ping the minds here as well.
https://bbs.archlinux.org/viewtopic.php?id=269729

Long time debian/rh user trying arch for the first time. Everything seems to work after install except sound. I'm hoping I'm nearing a solution. After trying most everything I could find on pulseaudio and other dependencies, I compiled, installed, and switched to the 5.15rc1 linux kernel. This seems to have resolved the issue with the card not showing up in things like alsamixer.

I can now see the outputs in the KDE playback devices. I also see sound levels bouncing when I play something. I get audio from the headphone jack when I plug headphones in but not from the onboard speakers (yes, I unplug the headphones). I can see the outputs switching from headphones to speakers when I plug in and unplug headphones in apps like pavucontrol.

Any thoughts on what might be going on here?
 
Old 09-18-2021, 08:54 PM   #2
rokytnji
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No dmesg reports?

All I can suggest with this info is a hardware switch or keystroke muting sound.
 
Old 09-20-2021, 01:38 PM   #3
nooobeee
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Sorry for the sparse info. I think this is related to a kernel bug that has been identified and is just pending full implementation.
https://bugs.launchpad.net/ubuntu/+s...x/+bug/1935850

It seems some claim that it is working with 5.11
https://www.reddit.com/r/Fedora/comm...ng_on_34_beta/
but I've tested with Fedora 34 (unsure kernel), Arch (kernels 5.10.x LTS, 5.14.5, 5.14.6, and 5.15rc1), Manjaro with kernel 5.14.2, and Ubuntu with kernel 5.11.0-34 and was not able to get it working in any of those.

I've found some other possible solutions but they all reference older versions of sof-firmware (I believe current on Arch is 1.8.something).
https://gist.github.com/ThHareau/450...bd9830d88adeb7
and
https://blog.fts.scot/2020/07/04/del...king-on-linux/

I'm hesitant to apply those because it seems others have and updates can break the fix. I suppose that could be addressed with blacklists though.

I think this 2021 model of the XPS (9710) uses the same audio chipset as the 2020 version (9700) which is a Realtek ALC711-CG.

I have installed Ubuntu 21.10 (Impish Indri) daily build from today (2021-09-20) and after countless hours over the last few days, I finally have sound from the speakers in Linux. Unfortunately I'm not overly interested in running Ubuntu and I'd really like to get this working in Arch.

I suspect that, with my limited expertise, I may just be better off waiting until these changes get implemented into the kernel and/or the sof-firmware updates.

But if anyone has thoughts for how I can gather sufficient info with a working Ubuntu setup to make it also work in Arch, I think I'm game to give it a shot.

Last edited by nooobeee; 09-20-2021 at 01:40 PM.
 
Old 09-21-2021, 01:24 PM   #4
nooobeee
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I noticed a new rc2 version of the linux kernel 5.15 came out yesterday and so I reinstalled arch and compiled the new kernel. It looks like rc2 now has the fix for this card in because it worked when I booted to that kernel. So for anyone with a Dell XPS 2020/2021, if you are having trouble with audio, try installing the 5.15rc2 or later kernel. I believe some distros are bundling the fix into earlier kernels but I was unable to get any earlier kernel to work so YMMV.

You might be able to try the latest version of the current kernel for your distro first but if that doesn't work, take a stab Ubuntu 21.10. If that works, then it seems you just need a patched or newer kernel to address this bug.
 
Old 09-21-2021, 11:25 PM   #5
aus9
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For anyone who does not read linked bug report....if you have similar hardware you appear to need firmware
https://archlinux.org/packages/extra.../sof-firmware/
 
Old 10-01-2021, 10:55 PM   #6
Aeterna
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Quote:
Originally Posted by aus9 View Post
For anyone who does not read linked bug report....if you have similar hardware you appear to need firmware
https://archlinux.org/packages/extra.../sof-firmware/
better yet:
latest sof drivers are here:
https://github.com/thesofproject/sof-bin
and drivers are not distro specific packaged so they can be used with any distro.
Sof drivers work with Intel Tiger Lake-LP Smart Sound Audio after additional configuration. Only drawback is that (at least for now) while I can enable sound, mic is dead.

I believe that Tiger Lake-H is working for some time now without any issues (that I have with mic in Tiger Lake-LP with sof drivers)

Last edited by Aeterna; 10-01-2021 at 10:57 PM.
 
  


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