http://h20195.www2.hp.com/v2/GetDocument.aspx?docname=4AA7-6280ENW
this document by HP (note 11) acknowledge that mic is not functional due to missing snd-sof-pci driver -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856392 Title: [HP ZBook 15 G6, Realtek ALC285, Black Mic, Right] Microphone not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1856392/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs