root@odroid:~# aplay -l **** List of PLAYBACK Hardware Devices **** card 0: ODROIDHDMI [ODROID-HDMI], device 0: SPDIF-dit-hifi dit-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: ODROIDLINEOUT [ODROID-LINEOUT], device 0: TDM-C-T9015-audio-hifi T9015-audio-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 root@odroid:~#