same issues happened on my ASUS Zephyrus M. i think it's alc294's problem..... as Ian Choy (iancmx) mentioned, 0x21 set as headphone that laptop could detect the headphone when you plug in, but no sound comes from headphone.... ubunutu 20.04lts
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1877640 Title: [Zephyrus M GU502GV_GU502GV, Realtek ALC294] No sound in 3.5mm jack headphones. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1877640/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs