Installed devices: pcm0: <Realtek ALC892 (Rear Analog 5.1/2.0)> (play/rec) pcm1: <Realtek ALC892 (Front Analog)> (play/rec) default pcm2: <Realtek ALC892 (Internal Digital)> (play) pcm3: <Realtek ALC892 (Rear Digital)> (play) pcm4: <USB audio> (rec) No devices installed from userspace.