Here is a way to get the onboard audio working on NanoPC T4 (and probably M4 too). It kind-of works with pulseaudio, but I think more work is needed for a good solution for pulseaudio (need to develop a UCM profile). The attached asound.state file will configure the rt5651 codec mixer with sane settings. To use it: Download the attached asound.state.draft.201902018 Run the following command from a terminal (in whatever directory you downloaded the file): alsactl --file ./asound.s
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