my one year old dac+ pro suddenly stopped working, at least there's no audio output anymore (plain mpd setup with alsa and pulseaudio). Not sure, whether this was connected to a system upgrade.
aplay -l says:
aplay: device_list:268: keine Soundkarten gefunden ... (no sound cards found)
Also booted the pi with the raspbian image provided by hifiberry team - same result.
How can I debug the system to exclude hardware failure?
Configuration: Pi3 with Raspbian (kernel 4.9.13-v7+)
snd-rpi-hifiberry-dacplus soc:sound: ASoC: CODEC DAI pcm512x-hifi not registered - will retry
snd-rpi-hifiberry-dacplus soc:sound: ASoC: CPU DAI (null) not registered - will retry
vcdbg does not show any errors (to my understanding..) loading the devicetree overlay.
snd_soc_hifiberry_dacplus kernel module is loaded
Thanks in advance!