There is an updated pull request by cinerea0 against master on the void-packages repository

https://github.com/cinerea0/void-packages alsa
https://github.com/void-linux/void-packages/pull/34421

alsa-ucm-conf: update to 1.2.6
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A patch file from https://github.com/void-linux/void-packages/pull/34421.patch is attached