I've fixed this issue on my Asus UX550VE, Ubuntu 20.04, kernel 5.4.0-42. I followed Optiman's instructions, which are supposed to "activate bottom speakers" using jack retasking:
https://askubuntu.com/questions/973690/my-volume-is-either-max-volume- or-muted-no-middle-ground -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1721345 Title: ALC295 codec seems to have Master and PCM channels swapped To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1721345/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
