Dell 14S DS14260 (Panther Lake) - No internal audio with CS42L43 + CS35L63, SDCA probe fails

[pabloramirez-iPronics]

System information

Model:
Dell 14S DS14260

OS:
Ubuntu 26.04.1 LTS (Resolute Raccoon)

Kernel:
7.0.0-31-generic

Audio controller:
00:1f.3 Audio device Intel Corporation Device [8086:e428] (rev 01)

Problem

Internal audio does not work.
Neither internal speakers nor headphone jack are detected.

Initially:

aplay -l

returns:

no soundcards found

Relevant dmesg output:

snd_soc_sdca_class_function snd_soc_sdca.SmartMic.0: failed to locate SWF
snd_soc_sdca_class_function snd_soc_sdca.SmartMic.0: probe with driver snd_soc_sdca_class_function failed with error -110

snd_soc_sdca_class_function snd_soc_sdca.UAJ.1: failed to locate SWF
snd_soc_sdca_class_function snd_soc_sdca.UAJ.1: probe with driver snd_soc_sdca_class_function failed with error -110

platform sof_sdw: deferred probe pending: sof_sdw: snd_soc_register_card failed -517

Detected SoundWire devices:

link 2 mfg_id 0x01fa part_id 0x4245
link 3 mfg_id 0x01fa part_id 0x3563

Investigation

SOF firmware is correctly loaded:

Loaded firmware library: ADSPFW, version: 2.14.1.1
Booted firmware version: 2.14.1.1

Current PTL topologies available include:

sof-ptl-cs42l43-agg-l3-cs35l56-l2.tplg
sof-ptl-cs42l43-agg-l3-cs35l56-l2-4ch.tplg
sof-ptl-cs42l43-l2-cs35l56x6-l13.tplg

No topology appears to exist for the detected combination:

CS42L43 + CS35L63

Additional information

At least two Dell 14S DS14260 systems from the same hardware batch show exactly the same behaviour.

Forcing:

options snd-intel-dspcfg dsp_driver=1

allows HDMI audio devices to appear, but internal speakers and headphone jack remain unavailable.

[charleskeepax]

Could you please attach a full dmesg just after boot?

This looks a little like you might just be missing firmware, so making sure linux-firmware is also up to date with mainline is a good idea. Some of this generation of laptops have had quite late firmware so it might not have made it into the Ubuntu repo just yet.