Audio 3.5mm Jack not working

[clement]

It's odd:

Code:

# cat /proc/asound/cards

cat: can't open '/proc/asound/cards': No such file or directory

Code:

LibreELEC:~ # amixer -c 0 scontrols
LibreELEC:~ # amixer -c 1 scontrols
amixer: Mixer hw:1 load error: No such device or address
LibreELEC:~ #