Buffalo IIIse (ESS 9018 based) I2S Setup Thinker Board

Volumio Information

Volumio Version: 2.878
Hardware: Asus Thinker S
DAC: Buffalo IIIse (ESS 9018S based) via I2S

After having updated form Volumio 1, the DAC stopped working and I wasn’t able to reactivate it. I tried all possible combinations R-Pi DAC, Hifiberry DAC, DSP DoP but nothing seems to work. The DAC is still I2S wired as before. As far as I remember it worked on “Generic DAC” under Volumio1 but this option is not available anymore.

Does anybody know how to activate this DAC on Volumio 2 ? Is there a guide on how to track down the problem somewhere ?

THX for your help

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sndrpirpidac [snd_rpi_rpi_dac], device 0: RPi-DAC HiFi pcm1794a-hifi-0
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: OnBoard [USB Audio OnBoard], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: OnBoard [USB Audio OnBoard], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: OnBoard [USB Audio OnBoard], device 2: USB Audio [USB Audio #2]
Subdevices: 1/1
Subdevice #0: subdevice #0