Following instruction in forwarded email after appling the alsa-ucm- conf=1.2.2-1ubuntu0.12sutton1 package the rear microphone jack works correctly
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1902464 Title: The rear panel of Lenovo P620 doesn't support more than one audio device at the same time Status in HWE Next: New Status in OEM Priority Project: Confirmed Status in alsa-ucm-conf package in Ubuntu: Fix Released Status in pulseaudio package in Ubuntu: Fix Released Status in alsa-ucm-conf source package in Focal: Confirmed Status in pulseaudio source package in Focal: Fix Released Bug description: After backporting following patches from PA and alsa-ucm-conf and then it works. https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/290 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/354 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/355 https://github.com/alsa-project/alsa-ucm-conf/tree/master/ucm2/USB- Audio [landed by aa74f4c12eefcc98582572d2fc48982cf7478b51] Here is the test PPA: https://launchpad.net/~os369510/+archive/ubuntu/oem-package-test Since the upstream not yet accepted those patches, the regression potential may quite high. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1902464/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp