Ubuntu 21.10 (Impish Indri) has reached end of life, so this bug will
not be fixed for that specific release.
** Changed in: linux (Ubuntu Impish)
Status: Incomplete => Won't Fix
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Packages, which is subscribed to linux-oem-5.10 in Ubuntu.
https://bugs.launchpad.net/bugs/1906738
Title:
alsa/sdw: add support for tgl_3_in_1_sdca soundwire machine
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.10 source package in Focal:
Fix Released
Status in linux source package in Impish:
Won't Fix
Status in linux-oem-5.10 source package in Impish:
Invalid
Bug description:
[Impact]
We need to enable a Dell soundwire machine in the OEM project, but
the soundwire design is different from previous generation, it follows
soundwire sdca spec. both ubuntu kernel and upstream kernel don't have
driver for soundwire sdca yet, so the audio device on this machine
can't be detected.
[Fix]
backport 20 patches from the kernel git tree of intel sof/project
[Test]
After booting up, we could see the sound card by running
pacmd list-cards, and there is speaker, headphone, dmic and headset-mic
on this sound card, test playback and record, all worked well.
[Where problems could occur]
The patches change some soundwire bus driver and alsa intel asoc
machine driver, it could make the sound stop working on old
soundwire machines. But this possibility is very low since we
tested these patches on Dell soundwire machines.
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