place the files from this repo on the target image in the following places:
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cirrus.conf -> /etc/modprobe.d/cirrus.conf
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dacs.json.cirrus-headphones or dacs.json.cirrus-spdif -> /volumio/app/plugins/system_controller/i2s_dacs/dacs.json
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Playback_to_Headset.sh Playback_to_Lineout.sh Playback_to_SPDIF.sh Playback_to_Speakers.sh rpi-cirrus-functions.sh
-> /volumio/app/plugins/system_controller/i2s_dacs/scripts/
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in case of Headset output, inside volumio the kind of mixer needs to be Hardware, where the mixer-type needs to be "HPOUT1 Digital" and the Maximum Volume needs to be set lower then 100 (e.g. 30).
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in case of SPDIF output, inside volumio the kind of mixer needs to be Software