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device-amazon-biscuit: add alsa and pulseaudio configs

Merged device-amazon-biscuit: add alsa and pulseaudio configs
celiffe/pmaports:biscuit-audio into master
Merged Connor Eliffe requested to merge celiffe/pmaports:biscuit-audio into master
  1. Apr 02, 2025
    • Connor Eliffe's avatar
      device-amazon-biscuit: add alsa and pulseaudio configs · d8b39020
      Connor Eliffe authored and Pablo Correa Gomez's avatar Pablo Correa Gomez committed 
      - Add UCM2 configurations for biscuit
- Add udev rule to switch headphone output
- Add asound config
- Add pulseaudio configs

This commit provides a basic pulseaudio setup for biscuit. The device appears
to only support 48kHz audio. Resampled 44kHz audio crackles and pops currently
due to the buffer underrunning. Some more tweaking may be needed to improve
audio playback quality.

Part-of: !6304
[ci:skip-build]: already built successfully in CI
      Unverified
      d8b39020