Linux - 5.1 Surround Sound on 3 3.5mm Ports Motherboard

Linux - 5.1 Surround Sound on 3 3.5mm Ports Motherboard

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I've recently purchased an MSI B450M BAZOOKA PLUS motherboard that supports 7.1 surround sound on their measely 3 3.5mm ports.

I have a 5.1 surround sound setup with my Logitech Z506 set that was previously working just plugging in to my old motherboard Asus P8P67 PRO which had 6 3.5mm ports.

Instructions

  1. Install the hdajackrestask tool on your system (Archlinux: pacman -S alsa-tools)
  2. Run in privileged mode using sudo or polkit (GKSU: gksu hdajackretask)
  3. Plug your 3 3.5mm audio jacks according to this image, colours should be roughly the same, alternatively take reference from the label (Mic, L-Out and L-In)
  4. As root run:
echo "options snd-hda-intel patch=hda-jack-retask.fw,hda-jack-retask.fw,hda-jac