During August 2025, Anguoli contributed to the geerlingguy/linux repository by developing a cross-device mute enhancement for USB audio playback. He implemented a mute TLV for playback volumes in ALSA, extending mute support to additional USB audio devices and introducing device flags to coordinate mute behavior across multiple devices. This C-based driver development work focused on improving user control and consistency in audio output, particularly for multi-device setups. By addressing the complexities of USB audio muting, Anguoli’s changes reduced user confusion and potential support issues. The work demonstrated depth in audio programming and careful integration with existing ALSA infrastructure.