Steam deck OBS setup - v4l2 loopback

install.sh

# disable readonly
sudo steamos-readonly disable
# init keys
sudo pacman-key --init
sudo pacman-key --populate archlinux
sudo pacman-key --populate holo
# search latest headers
sudo pacman -Ss linux-neptune
# install found appropiate headers and v4l2
sudo pacman -S linux-neptune-611-headers v4l2loopback-dkms
# check if it works
sudo modprobe v4l2loopback
# reenable readonly
sudo steamos-readonly enable
# load audio null sink
pactl load-module module-null-sink

# install obs-midi
# ~/.var/app/com.obsproject.Studio/current/active/files/plugins