The issue seems to be resolved now with Linux 5.10.0-1051-oem. It helped following https://bbs.archlinux.org/viewtopic.php?id=270392 and setting the rt715 ADC 24 Mux selector in alsamixer to DMIC3.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931744 Title: Dell Precision 5750: internal mic stopped working after kernel update to 5.10.0-1029-oem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-5.10/+bug/1931744/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs