This bug was fixed in the package alsa-lib - 1.2.2-2.3ubuntu3
--------------- alsa-lib (1.2.2-2.3ubuntu3) groovy; urgency=medium
* d/p/0001-conf-USB-Audio-Disable-IEC958-on-Lenovo-ThinkStation.patch - Disable IEC958 on Lenovo ThinkStation P620 (LP: #1891461)
-- Kai-Heng Feng <email address hidden> Thu, 13 Aug 2020 22:54:44 +0800
This bug was fixed in the package alsa-lib - 1.2.2-2.3ubuntu3
---------------
alsa-lib (1.2.2-2.3ubuntu3) groovy; urgency=medium
* d/p/0001- conf-USB- Audio-Disable- IEC958- on-Lenovo- ThinkStation. patch
- Disable IEC958 on Lenovo ThinkStation P620 (LP: #1891461)
-- Kai-Heng Feng <email address hidden> Thu, 13 Aug 2020 22:54:44 +0800