Re: adaptive keyboard off after suspend on linux kernel 4.4 and 4.5, (thinkpad x1 gen2)

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Hi,

I have not attempted to suspend to disk yet, but it always happens on
suspend to RAM. I will update later with regards to suspend to disk, I
am not in the same building as my laptop.

Thanks,
Sindre

On 4 February 2016 at 17:32, Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> wrote:
> On Wed, 27 Jan 2016, Sindre Fjogstad wrote:
>> After upgrading my kernel to version 4.4 and then 4.5.RC1 from 4.2 my
>> adaptive keyboard is off when the laptop wakes up after suspend. The
>> adaptive keyboard works as expected before the suspend.
>
> Suspend to RAM, or hibernation (suspend to disk) ?
>
>> How do you want me to debug this and what kind of information do you
>> need for me to provide you?
>>
>> from dmesg:
>> [   11.181209] thinkpad_acpi: ThinkPad ACPI Extras v0.25
>> [   11.181212] thinkpad_acpi: http://ibm-acpi.sf.net/
>> [   11.181214] thinkpad_acpi: ThinkPad BIOS GRET37WW (1.14 ), EC unknown
>> [   11.181215] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 2nd, model 20A8S0WT16
>>
>> I have attached my kern.log filtered for acpi which contains hints on
>> additional issues:
>>  - unhandled HKEY event 0x60c0
>>  - unknown version of the HKEY interface: 0x200
>
> Those are known harmless conditions, and HKEY 0x200 interface *is* the
> adaptative keyboard version of the HKEY event interface, but it is only
> "partially" known...
>
> And as you can see, it apparently still has some rough edges ;-)
>
> I will need your help to fix this, I don't have any thinkpad with an
> adaptative keyboard to test.  In fact, the adaptative keyboard code was a
> contribution by Bastien Nocera.  Added him to the CC.
>
> Bastien, can you help debug this issue?
>
> --
>   "One disk to rule them all, One disk to find them. One disk to bring
>   them all and in the darkness grind them. In the Land of Redmond
>   where the shadows lie." -- The Silicon Valley Tarot
>   Henrique Holschuh

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