[blueribb]

mglae from the Libreelec Tech Forum solved this issue for me. He wrote a script that toggled the refresh rate to 59 and back to 60 which caused the audio driver to reload. Here's the script for those interested:

mkdir -p /storage/.config/sleep.d
cat >/storage/.config/sleep.d/99-toggle_rate.power <<'EOF'
#!/bin/sh
case "$1" in
post)
xrandr -display :0 --output HDMI1 --mode 1920x1080 --rate 59.94
xrandr -display :0 --output HDMI1 --mode 1920x1080 --rate 60
;;
esac
EOF