you just use a workaround only
module-switch-on-port-available is cause of your problem since none of input ports (front mic, rear mic and line in ) are available analog-input-microphone-front: Front Microphone (priority 8500, available: no) properties: analog-input-microphone-rear: Rear Microphone (priority 8200, available: no) properties: analog-input-linein: Line In (priority 8100, available: no) properties: iec958-stereo-input: iec958-stereo-input (priority 0, available: unknown) properties: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1004829 Title: [GA-MA74GMT-S2, Realtek ALC887-VD, Pink Mic, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1004829/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs