rt721: capture switches (FU0F/FU1E) default to OFF on AMD SoundWire

GitHub issues - opened <[email protected]> Mon, 6 Jul 2026 15:33:18 +0200 (CEST)
Newsgroups org.alsa-project.alsa-devel
Message-ID <[email protected]>
alsa-project/alsa-ucm-conf issue #805 was opened from BenSharir:

The RT721 codec capture switches for ASUS ProArt PX13 (AMD SoundWire) default to OFF, which mutes the DMIC microphone.

**Symptom**: Microphone records silence despite being selected in the system settings.

**Cause**: The following ALSA mixer controls are off by default:
- 
- 

**Proposed Fix**: The UCM profile should enable these switches by default in the HiFi verb.

**Hardware**: 
- Laptop: ASUS ProArt PX13
- Chipset: AMD ACP70 SoundWire
- Codec: Realtek RT721

**Workaround**:

Issue URL     : https://github.com/alsa-project/alsa-ucm-conf/issues/805
Repository URL: https://github.com/alsa-project/alsa-ucm-conf