In the dropdown list of Volumio for selecting the i2S device, the HifiBerry DAC2 PRO is not available.
Which is logic, because the device is also not available in the source for the i2S devices:
- The kernel driver must be already present in the Kernel that Volumio uses. If that's not true, please contact us
The dacs.json file
Volumio stores all compatibility data for i2s dac in a single file: the dacs.json file, here's a brief extract of it (November 13th 2020):
Will the HifiBerry DAC2 PRO be added or can I select an existing i2S Hifiberry device that is compatible with the DAC2 PRO?