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Converted Chrome OS to Xubuntu 21.10 (tried 20.04) as well. All good but nod sound.

Mixer only shows dummy output. Tried some tricks from here but no luck: Fix No Sound (Dummy Output) Issue In Ubuntu With SND HDA Intel

dmesg showing error:

[    6.040092] sof-audio-acpi-intel-byt 80860F28:00: error: tplg request firmware intel/sof-tplg/sof-byt-max98090.tplg failed err: -2
[    6.040100] sof-audio-acpi-intel-byt 80860F28:00: you may need to download the firmware from https://github.com/thesofproject/sof-bin/

Hardware:

00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)

APlay:

card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
WinEunuuchs2Unix
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Belinda Fan
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1 Answers1

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Try manually copying sof-bin firmware to /lib/firmware/intel/sof-tplg/ folder. See instructions in the answer of no sound due to error direct firmware load failed for intel/sof-tplg/sof-byt-max98090.tplg

(I am not a developer, just a regular user who encountered a similar problem. )

J.T.
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