Installed devices: pcm0: <Realtek ALC897 (Rear Analog)> (play/rec) default pcm1: <Intel Braswell (HDMI/DP 8ch)> (play) pcm2: <Intel Braswell (HDMI/DP 8ch)> (play) pcm3: <Intel Braswell (HDMI/DP 8ch)> (play) No devices installed from userspace.