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Created attachment 1760477 [details] alsa-info report Description of problem: After installing Fedora 33 on my laptop (Thinkbook 13s IML) I'm unable to use its internal microphone to record anything. It is recognized by system as "Digital Microphone - sof-hda-dsp", but there is no input from it. I have tried to record using Sound Recorder - file attached. There is a high noise in the beginning and after that only silence. I could confirm that microphone works under Windows 10. Also I can use microphone from plugged in headphones.
Created attachment 1760478 [details] Sound Recorder audio
Created attachment 1760645 [details] Output from dmesg --level=err,warn
I have tried Fedora 34 Beta 1.2 on the same laptop. Now its microphone listed as "Digital Microphone - Comet Lake PCH-LP cAVS", but the same problem still persists.
Could you enter a bug to the SOF project to reach the Intel developers? https://github.com/thesofproject/sof/issues You can put a link to this bug for the alsa-info / dmesg info.
Reported upstream: https://github.com/thesofproject/sof/issues/3929
Found temporary solution here: https://github.com/thesofproject/linux/issues/2460#issuecomment-779212719 When I'm using that custom topology file from the link above built-in microphone works fine.
This message is a reminder that Fedora 33 is nearing its end of life. Fedora will stop maintaining and issuing updates for Fedora 33 on 2021-11-30. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '33'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 33 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 33 changed to end-of-life (EOL) status on 2021-11-30. Fedora 33 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.