Re: "Setting old previous keyboard state failed" error on Dell E7270

From: Pali RohÃr
Date: Thu Nov 17 2016 - 09:29:03 EST


On Thursday 17 November 2016 15:13:59 Takashi Iwai wrote:
> On Thu, 17 Nov 2016 14:21:23 +0100,
>
> Takashi Iwai wrote:
> > On Thu, 17 Nov 2016 13:19:16 +0100,
> >
> > Pali RohÃr wrote:
> > > Anyway, keyboard backlight control in kernel is implemented from
> > > program smbios-keyboard-ctl provided and supported by Dell. I do
> > > not see any update to that program in upstream git repository.
> > >
> > > http://github.com/dell/libsmbios/blob/master/src/bin/smbios-keybo
> > > ard-ctl
> >
> > I'll give it a try shortly later.
>
> Tried the latest git version now, and it didn't work.
> At setting the mode via smbios-keyboard-ctl --set-mode, it always
> return an error like:
>
> Set Trigger Failed. Failed to write config
> Error Return Code : cbRES1: 0x-2 cbRES2: 0xA000000 cbRES3: 0x0
>
> The error code is same no matter which mode is to set.
...
> > > 2) smbios-keyboard-ctl is not working too -- in this case please
> > > report bug to that libsmbios project and Dell needs to fix it
>
> So the latter case.
> I'm going to ping smbios maintainer.

Ok. Ideally also open public bug report on github tracker so other
people can find some information about it...

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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