* HDA: swap Speaker/Headphones PlaybackPriority
[not found] <alsa-project/alsa-ucm-conf/pr/721@alsa-project.org>
@ 2026-03-12 8:53 ` GitHub pull_request - opened
0 siblings, 0 replies; only message in thread
From: GitHub pull_request - opened @ 2026-03-12 8:53 UTC (permalink / raw)
To: alsa-devel
alsa-project/alsa-ucm-conf pull request #721 was opened from zommuter:
Fixes #720, assisted by Claude Code Opus 4.6
## Summary
- Swap `PlaybackPriority` in `ucm2/HDA/HiFi-analog.conf`: Speaker 100→200, Headphones 200→100
## Problem
On devices where Speaker and Headphones share the same PCM (e.g. `hw:sofhdadsp`), PipeWire/ACP generates separate mutually exclusive profiles. With the current priorities, the Headphones profile (10300) is preferred over the Speaker profile (10200) whenever both are `available`.
This causes the Speaker sink to **completely vanish** when an HDMI monitor is connected: the HDMI port becoming available makes both profiles `available: yes`, and WirePlumber selects the higher-priority Headphones profile — even when the Headphone Jack reports `off` (nothing plugged in).
Without HDMI, the Headphones profile is correctly `available: no` (no ports with availability groups report available), so the bug only manifests with HDMI connected.
## Fix
Swap the priorities so Speaker (200) > Headphones (100). Built-in speakers are the natural default output. When headphones are plugged in, WirePlumber detects the Headphone Jack becoming available and switches to the Headphones profile accordingly.
## Testing
Tested on HP OmniBook X Flip 14 (Intel Lunar Lake, Realtek ALC245, sof-hda-dsp) with PipeWire 1.4.10 and WirePlumber 0.5.13:
- HDMI connected, no saved WirePlumber state, no headphones plugged in
- **Before:** Active profile = Headphones, Speaker sink missing
- **After:** Active profile = Speaker, Speaker sink present
Note: Headphone jack switching (plugging in actual headphones) has not been tested on this hardware. The expectation is that WirePlumber's jack-based profile switching handles this regardless of base priority.
Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/721
Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/721.patch
Repository URL: https://github.com/alsa-project/alsa-ucm-conf
^ permalink raw reply [flat|nested] only message in thread