Files
c630/overlay/usr/share/alsa
rob thijssen 36dc54e8db
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Keep the DSPs out of the initramfs, and let the headphone port be chosen
Rebuilding the initramfs on the machine rather than in the build container
pulled qcom_q6v5_pas into it. There it probes while the initramfs is still the
root filesystem, asks for qcadsp850.mbn, gets -2, and never retries — the same
race 10-c630.conf already documents for the Adreno firmware. The ADSP hosts
the whole audio path, so the machine comes up with no sound card and a sound
device deferring on "error getting cpu dai name", which points nowhere near
firmware. The blobs cannot go in the initramfs to fix it: they are ~20 MiB and
are extracted from Windows, so they need not exist at build time. Omitting the
driver instead means it loads once the real root is there. The modem driver
goes with it, since it is not needed early either.

Separately, the WCD9340 decides what is plugged in by measuring impedance, so
an amplifier on the headphone socket reads as an open circuit and the jack
control never leaves 'off'. PipeWire marks the port not available, will not
keep it as the default sink, and GNOME hides it — an output that works when
driven directly becomes unreachable from the desktop. Dropping JackControl
from the Headphones device leaves availability unknown rather than no, and the
port becomes permanently selectable.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011XgGF5wfxLDAybVnNz6eNQ
2026-08-14 16:41:03 +03:00
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