On Tue, Jun 13, 2017 at 2:00 AM, Jérôme de Bretagne <jerome.debretagne@xxxxxxxxx> wrote: >>> One more ouput for tonight. After doing a diff of the acpidump from >>> both BIOS versions, I've found explicit references to the two 0xCE and >>> 0xCF values right in the delta, in the dsdt.dsl files. >> >> Right. That's what my last message was about. :-) > > Indeed, our messages have crossed each other :-) > >>> I'm new to ACPI but could that ECBT mean "EC Button" maybe? >> >> That's just a method name which may or may not mean the above. >> >> \_SB.PCI0.LPCB.ECDV is the EC, so it is all related. >> >> However, the bottom line is that there is no way for the kernel at all >> to know in advance that these events are going to be generated. > > Ok, so I understand that this is totally device-specific :-( Well, device-and-BIOS-version-specific even. > Would a patch to handle this specific case be acceptable in the kernel though? We have quirks. :-) That said I think intel-hid could check the 0xCE event unconditionally in the "wakeup" mode, but that will be a separate patch on top of my series. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html