Public bug reported:
[Impact]
Audio doesn't work on Dell Pista/Diablo MTL platforms.
[Fix]
Kernel driver, ALSA ucm, and firmware fixes are required. For firmware-
sof, it's the upstream commit 7d2c7f5ad44d ("Add Intel SOF2.7.2 topology
files").
[Test Case]
1. Install linux-firmware with the FW files from upstream
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=57077702373e7ef40f0ca197724428d614bd92f8
2. Install alsa UCM file from upstream
https://github.com/alsa-project/alsa-ucm-conf/commit/e87dde51d68950537f92af955ad0633437cc419a
and
https://github.com/alsa-project/alsa-ucm-conf/commit/8e39917518b62cce44d098bd6fe5d2c1b41f92bd
3. Make sure the linux kernel version is later than v6.9 or has the
https://github.com/thesofproject/linux/pull/4829/commits backported
4. Go to audio setting to make sure the audio input/output device are not dummy
[Where problems could occur]
It's simply an additional tplg file which only new kernel driver knows to how
to load.
** Affects: firmware-sof (Ubuntu)
Importance: Undecided
Status: New
** Affects: firmware-sof (Ubuntu Noble)
Importance: Undecided
Status: New
** Affects: firmware-sof (Ubuntu Oracular)
Importance: Undecided
Status: New
** Also affects: firmware-sof (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: firmware-sof (Ubuntu Oracular)
Importance: Undecided
Status: New
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2069760
Title:
Soundwire support for CS42L43 and CS35L56 on Intel LNL/ARL
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