I can confirm that changing HIBERNATE_MODE to platform does indeed fix it.
(And for what it's worth, resuming from when it was left on ACPI, and then suspending (to RAM) and resuming again makes the sound work again)
Could I ask what changing it to platform actually does?
I can confirm that changing HIBERNATE_MODE to platform does indeed fix it.
(And for what it's worth, resuming from when it was left on ACPI, and then suspending (to RAM) and resuming again makes the sound work again)
Could I ask what changing it to platform actually does?