I have tried my Xonar U3 on Android X86 (on my computer), and the volume slider work properly, but it doesn't work properly on Ubuntu 14.04 with Linux 3.18.1.
I have tried my Xonar U3 on Android X86 (on my computer), and the volume slider work properly, but it doesn't work properly on Ubuntu 14.04 with Linux 3.18.1.