S/PDIF input on Vim3 + Khadas tone board

Hello,

My setup:
VIM3 (Fenix 0.9 Ubuntu 20.04.1 LTS Linux 5.7.0)
Tone Board VIMs Edition (Firmware v1.04)

How do I use input S/PDIF? ALSA can’t see S/PDIF using alsamixer.

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: G12HDMI [G12-HDMI], device 0: fe.dai-link-0 () []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: G12HDMI [G12-HDMI], device 1: fe.dai-link-1 (
) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: G12HDMI [G12-HDMI], device 2: fe.dai-link-2 (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Control [Khadas Tone Control], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
//////////////////////////////////////////////////////////////////////////

There is not even an S/PDIF output

arecord -l
**** List of CAPTURE Hardware Devices ****
//////////////////////////////////////////////////////////////////////////

nothing…