post_install() {
  cat << 'EOF'
To tweak parameters:
1. Copy /usr/lib/modprobe.d/snd-usb-audio.conf to /etc/modprobe.d/snd-usb-audio.conf
2. Modify /etc/modprobe.d/snd-usb-audio.conf as needed
3. modprobe -r snd-usb-audio
   Note: You will need to stop all processes currently using USB audio before unloading the module.
4. modprobe snd-usb-audio

Test round trip latency using one of the following tools with a loopback audio cable:
- Cockos Reaper DAW ReaInsert plugin using "Ping detect" button (reaper-bin package)
- jack_iodelay (jack2 package)
EOF
}

post_upgrade() {
  post_install
}