SOUND does not work during missions (but everywhere else) on Steam Deck 512 GB Linux

Warhammer 40,000: Darktide Technical Support
1

Issue Description: SOUND does not work during missions (but everywhere else) on Steam Deck 512 GB Linux

Steps to Reproduce:
Playing on Steam Deck. Sound didn’t work during closed beta and issue has continued here. It works in all other parts of the game.

Attempted with default (no compatibility layer), GE Proton 7.41, 7.30, and Experimental. No sound on any option.

Platform:
Steam, running on Steam Deck 512 GB

Player ID:
Hammerward40k

Approx. Time of Issue & Timezone:
On going, but most recently around 11/19/22, around 12:15 AM CST

Reproduction Rate:
Constant

2

Regrettably, we do not support the Steam Deck in an official capacity.

3

I understand. Other Steam Deck users do not seem to be having the same issue. Is there anything I can do as a Linux user to troubleshoot audio?