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No problem :-) > On Thur, May 07, 2026, 11:20:52 CEST, Charles Keepax wrote: > Does this mean faulty hardware is the most likely option? This laptop > is barely a week old. Or is it possible the driver left the chip in a non- > working (but potentially recoverable) state? Yeah I am afraid this looks like a hardware problem, enumerating on the SoundWire bus is pretty much only dependant on power rails. As you say there is a tiny hope the device has got into a weird state but isn't reset on a reboot. However, given it looks from the log like the amps were reset: [ 14.603448] cs35l56 sdw:0:2:01fa:3557:01:2: Cirrus Logic CS35L57 Rev B2 OTP1 fw:4.2.1 (patched=0) That patched=0 means the firmware has been wiped and that only happens on a reset and as far as I know the resets are tied together on this model. The very very long shot would be to let the battery run down and leave the device for a bit to try and super make sure the power rails went down which would also fully reset the device. But it is definitely a long shot. Thanks, Charles