Headjack audio out works with the latest Debian/Ubuntu images and the 102-2 kernel, did you follow all of those:
sudo apt-get install alsa-base alsa-utils
sudo apt-get install pulseaudio
sudo su
cat <<EOF >/etc/modules-load.d/pine64-audiojack.conf
sunxi_codec
sunxi_i2s
sunxi_sndcodec
EOF
exit
wget https://raw.githubusercontent.com/longsl...ound.state
sudo mv asound.state /var/lib/alsa/asound.state
sudo usermod -a -G audio username
sudo reboot now
sudo apt-get install alsa-base alsa-utils
sudo apt-get install pulseaudio
sudo su
cat <<EOF >/etc/modules-load.d/pine64-audiojack.conf
sunxi_codec
sunxi_i2s
sunxi_sndcodec
EOF
exit
wget https://raw.githubusercontent.com/longsl...ound.state
sudo mv asound.state /var/lib/alsa/asound.state
sudo usermod -a -G audio username
sudo reboot now
Come have a chat in the Pine IRC channel >>