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#1 2023-06-04 17:38:17

scragnoth
Member
Registered: 2023-04-10
Posts: 17

PulseAudio Dummy Output bay trail Lenovo Yoga Tablet 2-851F (WM510205)

After several attempts I got ArchLinux installed successfully on the above mentioned machine.

I wanted to try ArchLinux because of the sof-firmware package, I read that that would give me working sound output after all (I never got the sound to work on this machine, regardless of which Linux distribution I tried.

I have all necessary packages installed, at least all I read about in similar "Dummy Output"-threads I found.

One special thing I observed is that every time I shut down or reboot, two messages pop up on the screen, repeating each other in rapid succession. I have to hold down power for several seconds to get the machine to turn off.

[ 1027.211215] arizona spi-WM510205:00: supply DBVDD1 not found, using dummy regulator
[ 1027.216215] arizona spi-WM510205:00: supply AVDD not found, using dummy regulator

I get these messages when I boot the live system via USB as well as when I boot the installed system. For my installation I used an image I downloaded on 31st of May or 1st of June, I have the image file on my main computer still, I can add tomorrow which it was. I installed the LXQT desktop as well.

When I search the internet for "arizona WM510205" I get a few results, but I don't understand them. At least I don't get anything obviously helpful.

https://patchwork.kernel.org/project/sp … gmail.com/

https://www.spinics.net/lists/linux-spi/msg04807.html

https://github.com/torvalds/linux/blob/ … zona-spi.c

This one sounds promising but I have no idea how I would install the patch.

https://www.mail-archive.com/linux-kern … 24171.html

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