Cannot make DAC Add-on Board work under debian
Hi everyone,

I tried to run debian and mpd on my Rock64 with the add-on board. I turned out that there are three sound cards in alsamixer, which are I2S, SPDIF and HDMI. But I just cannot let the RCA to output any sound. Neither MPD nor speaker-test produce any sound.

Is there any special trick I need to do to make the POT work?

P.S: I'm running ayufan's debian, version 0.7.9.

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