Is it valid to send events from within ->resume device method? If not, what is the proper way to notify user space about hardware changes during suspension? Specifically it seems that new sysfs ACPI power supply interface sometimes missing plugged in AC cord during suspend. I suspect that no event is generated for this; I am not sure whether ACPI is required to generate such events at all in this case. I'll need some time to get reproducible case so I do not categorize this yet as regression. -andrey
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