I have a hifiberry AMP2 on a Raspberry PI 3B+.
It appears that it's not picking up the AMP2 as a sound card at all.
$ aplay -l
aplay: device_list:272: no soundcards found...
$ cat /etc/debian_version
10.11
$ uname -r
5.10.63-v7+
$ tail /boot/config.txt
# dtparam=audio=on
force_eeprom_read=0
dtdebug=1
$ cat /etc/debian_version
10.11
$ uname -r
5.10.63-v7+
Running dmesg shows nothing about the hifiberry at all. ie
$ dmesg | grep hifi
<nothing>
It's connected to a 12V/6A power supply.
I suspect it may be a hardware issue, but I don't have another raspberry pi to test things out. I have some questions:
1. Is there anything else I can do to try do debug? I'm at a loss.
2. Does the AMP2 itself have an indicator light of any kind? I'd expect to see one, but there's nothing is lighting up. Is this indicative of anything?
Attached a photo in case it's helpful