Volumio2 and HifiBerry-amp3
Recently I bought a HifiBerry amp3 for my Raspberry3b with Volumio2, version 2.917.
Normally I use the HifiBerry-amp2, but it was not (anymore) available. Hifiberry-amp3 should just work with the setting HifiBerry-amp2, I was told.
After the first configuration of Volumio2, I had sound. Beautiful, I was happy again; until I restarted the Raspberry. I had no sound anymore but got the well-known alsa errors.
Solution: Insert the SD-card into your PC/laptop. Go to the “config” file. On the last line you can see that Volumio2, after the restart, changed your setting “hifiberry-amp2” to “hifiberry-dacplus”.
Alter “dacplus” to “amp2” (not “amp3”) and write the modified config-file back to the SD-card and everything is ok, also after a restart.