Portal 2 always resets audio to 5.1

[kisak-valve]

Issue transferred from https://github.com/ValveSoftware/steam-for-linux/issues/5143. @mtmkls posted on 2017-08-22T20:46:41:

Your system information

• Steam client version (build number or date): Jul 17 2017
• Distribution (e.g. Ubuntu): Debian
• Opted into Steam client beta?: [Yes/No] No
• Have you checked for system updates?: [Yes/No] No

Please describe your issue in as much detail as possible:

I expected it to remember my audio setup.

Steps for reproducing this issue:

1. Have 2 speakers
2. Start the game
3. Don't hear anything that happens behind you

[GmanRO]

at least you can actually play the damn game

[mana-z]

I can confirm this. What helped me is to pass +snd_surround_speakers 0 (0 being the 'headphones' value, 2 being '2 speakers' and so on) as a command line argument. For some reason putting it in config.cfg file does not help. It is ignored and removed as soon as the game is ran.