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RE: keyboard backlight max_brightness bug on Dell Latitude E6410

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> -----Original Message-----
> From: Pali Rohár [mailto:pali.rohar@gmail.com]
> Sent: Monday, October 2, 2017 6:53 AM
> To: Andy Shevchenko <andy.shevchenko@gmail.com>
> Cc: Gabriel M. Elder <gabriel@tekgnowsys.com>; Gabriele Mazzotta
> <gabriele.mzt@gmail.com>; Limonciello, Mario <Mario_Limonciello@Dell.com>;
> Darren Hart <dvhart@infradead.org>; Andy Shevchenko <andy@infradead.org>;
> platform-driver-x86@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: keyboard backlight max_brightness bug on Dell Latitude E6410
> 
> On Friday 29 September 2017 18:19:59 Andy Shevchenko wrote:
> > >> FYI, latest update and info relating to
> > >> https://bugzilla.kernel.org/show_bug.cgi?id=196913
> >
> > Quick solution is to apply DMI to that.
> 
> It is only the Dell Latitude E6410 affected?
> 
> Mario, do you have any information about that API from Dell?
> 
> --
> Pali Rohár
> pali.rohar@gmail.com

Pali,

I believe this particular API shouldn't have changed over generations, so it's 
likely something that needs to be quirked for that generation.  
I haven't had a chance to check on this yet in detail though.
For now could you guys quirk this one and if I find out there was something
more systemic we can undo the quirk and do something more broad.

Thanks,

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RE: keyboard backlight max_brightness bug on Dell Latitude E6410 "Gabriel M. Elder" <gabriel@tekgnowsys.com> - 2017-09-29 16:10 +0200
  Re: keyboard backlight max_brightness bug on Dell Latitude E6410 Pali Rohár <pali.rohar@gmail.com> - 2017-09-29 16:20 +0200
    Re: keyboard backlight max_brightness bug on Dell Latitude E6410 Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-09-29 17:30 +0200
      Re: keyboard backlight max_brightness bug on Dell Latitude E6410 Pali Rohár <pali.rohar@gmail.com> - 2017-10-02 14:00 +0200
        RE: keyboard backlight max_brightness bug on Dell Latitude E6410 <Mario.Limonciello@dell.com> - 2017-10-02 15:10 +0200
          Re: keyboard backlight max_brightness bug on Dell Latitude E6410 Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-10-02 15:20 +0200
          Re: keyboard backlight max_brightness bug on Dell Latitude E6410 Pali Rohár <pali.rohar@gmail.com> - 2017-10-02 15:20 +0200

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