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

https://github.com/CameronNemo/void-packages pbp-base
https://github.com/void-linux/void-packages/pull/26565

pinebookpro-base: update to 0.3
Mark asound.state file as mutable.

Rename udev hwdb to denote pinebookpro specificity.

Rather than using an evdev hwdb match, set up a custom match via a udev
rule so that only the keyboard (and not other devices are matched).

Without the custom rule, lines like the following appear in dmesg:

udevd[...]: Error calling EVIOCSKEYCODE on device node [...]: Invalid argument

A patch file from https://github.com/void-linux/void-packages/pull/26565.patch is attached