linux-kernel - Re: [PATCH v2] thinkpad_acpi: Add support for keyboard backlight

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Message-Id: <201601042151.23995@pali>
Date:	Mon, 4 Jan 2016 21:51:23 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Darren Hart <dvhart@...radead.org>
Cc:	Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Fabio D'Urso" <fabiodurso@...mail.it>
Subject: Re: [PATCH v2] thinkpad_acpi: Add support for keyboard backlight

On Monday 04 January 2016 21:40:20 Darren Hart wrote:
> On Mon, Jan 04, 2016 at 09:26:19PM +0100, Pali Rohár wrote:
> > On Monday 04 January 2016 21:04:25 Darren Hart wrote:
> > > On Wed, Dec 30, 2015 at 11:27:41PM +0100, Pali Rohár wrote:
> > > > This patch adds support for controlling keyboard backlight via
> > > > standard linux led class interface (::kbd_backlight). It uses
> > > > ACPI HKEY device with MLCG and MLCS methods.
> > > 
> > > Which laptops is this intended to support?
> > 
> > Thinkpad ??30 series and new which have backlight keyboard.
> 
> Thanks, we should include that in the commit message as well as the
> comments surrounding the driver section.

??30 is probably not good characteristic, but I mean all those Thinkpad 
laptops like T430, x230, E430, X1 (1st) and their successors (T440, 
T450, X1 3rd, ...) All those which are from Ivy Bridge processor 
generation (and new).

But basically it cover all Thinkpad laptops which have backlight 
keyboard. Older Thinkpad laptops had only light in bezel.

So if you have better idea for commit message, feel free to change it.

-- 
Pali Rohár
pali.rohar@...il.com

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