**** List of PLAYBACK Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 1: sofhdadsp [sof-hda-dsp], device 0: HDA Analog (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sofhdadsp [sof-hda-dsp], device 3: HDMI1 (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sofhdadsp [sof-hda-dsp], device 4: HDMI2 (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sofhdadsp [sof-hda-dsp], device 5: HDMI3 (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sofhdadsp [sof-hda-dsp], device 31: HDA Analog Deep Buffer (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [ThinkPad Dock USB Audio], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0