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no-senders; approved; loop; banned-address; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: alsa-project/alsa-ucm-conf issue #805 was edited 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 system settings. **Cause**: The following ALSA mixer controls are off by default: - `rt721 FU0F Capture Switch`: off,off - `rt721 FU1E Capture Switch`: off,off,off,off **Proposed Fix**: The UCM profile should enable these switches by default in the HiFi verb, similar to how other codecs handle capture enablement. **Hardware**: - Laptop: ASUS ProArt PX13 HN7306EAC - Chipset: AMD ACP70 SoundWire - Codec: Realtek RT721 - Amplifiers: TI TAS2783 (x2) - Card components: `cfg-amp:2 mic:acp-dmic cfg-mics:1 hs:rt721` **System Info**: - OS: Fedora 44 - Kernel: 7.0.13-200.fc44.x86_64 - alsa-ucm: 1.2.16.1-1.fc44 - PipeWire: 1.6.7 **Workaround**: ```bash amixer -c 1 cset name='rt721 FU0F Capture Switch' on,on amixer -c 1 cset name='rt721 FU1E Capture Switch' on,on,on,on ``` **Verification**: ```bash # Record 5 seconds of audio timeout 5 arecord -D hw:amdsoundwire,4 -f S32_LE -r 48000 -c 2 /tmp/mic-test.wav # Play back aplay /tmp/mic-test.wav ``` --- **Related**: This system also required a TAS2783 firmware symlink fix for speaker audio. That issue was already addressed upstream in kernel commit [e26bb459d0f3](https://git.kernel.org/broonie/sound/c/e26bb459d0f3) ("ASoC: tas2783: Update loaded firmware names to linux-firmware 20260519"), merged for Linux 7.2. Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/805 Repository URL: https://github.com/alsa-project/alsa-ucm-conf