Public bug reported:
[Impact]
On some lenovo notebooks, ucm files are not loaded and mic can't be used
[Fix]
UCM was loaded based on cardlongname, but that can't cover all configs of the
same model. Lenovo suggested to load ucm by the first 3 letters of
/sys/devices/virtual/dmi/id/bios_version, so that all configs could use just
one ucm.
[Test Case]
[Regression Potential]
** Affects: alsa-lib (Ubuntu)
Importance: Critical
Assignee: Hui Wang (hui.wang)
Status: New
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https://bugs.launchpad.net/bugs/1868210
Title:
[SRU] Load ucm on Lenovo notebooks based on bios version
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