tried gnome-control-center 1:3.28.2-0ubuntu0.18.04.6 in a hp desktop mini machine[0], can fix this issue
[0] http://h20195.www2.hp.com/v2/GetDocument.aspx?docname=c06339658 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853584 Title: [SRU]Not able to adjust Audio input UI volume after connecting headset To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1853584/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs