I just installed the latest Ubuntu Bionic Image with 4.x kernel, fully updated and upgraded.
On Orange Pi Zero 1.4 512MB + IO expansion kit board
Armbian 5.75 Ubuntu 18.04.2 LTS
Linux orangepizero 4.19.20-sunxi #5.75 SMP Sat Feb 9 19:02:47 CET 2019 armv7l armv7l armv7l GNU/Linux
`cat /proc/asound/cards`
"No sound cards"
In armbian-config, I enabled analog-codec, `update-initramfs, rebooted, but there's still no sound card.
mocp complains there is