Installed devices: pcm0: <Realtek ALC257 (Analog 2.0+HP/2.0)> (play/rec) default pcm1: <Realtek ALC257 (Right Analog Mic)> (rec) pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> (play) pcm3: <Lenovo ThinkPad USB-C Dock Gen2 USB Audio> (play/rec) No devices installed from userspace.