Mike,

Yes, I used the GA release of volumio from their webpage. It worked out of the box without any modification - I chose the HiFiBerry DAC in the first-time startup wizard. The only missing piece, as I mentioned, is the software volume control in the volumio web UI (you can adjust it, but it has no effect on the output volume and when the next websocket update comes around it gets reset to 100%). I have not tried to use the analog input - for my purposes everything is encoded in FLAC on a NAS or via Spotify - so the analog input and volume control aren't really applicable.

I tried to replace the Audio section in mpd.conf as I mentioned in my previous post, but that didn't seem to resolve the issue. Perhaps I chose the wrong DAC or am missing some other piece of information. For what it's worth, the default Axiom /boot/config.txt is what references the HiFiBerry DAC:
Code:
dtoverlay=hifiberry-dac
dtoverlay=i2c-rtc,pcf2127
dtparam=i2c1=on
dtparam=i2c_arm=on
dtparam=act_led_trigger=none
dtparam=act_led_activelow=off
dtparam=pwr_led_trigger=none
dtparam=pwr_led_activelow=off
initramfs volumio.initrd max_usb_current=1 force_turbo=1 gpu_mem=16