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

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Message-ID: <20160104214200.GE4219@malice.jf.intel.com>
Date:	Mon, 4 Jan 2016 13:42:00 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Pali Rohár <pali.rohar@...il.com>
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 Mon, Jan 04, 2016 at 09:51:23PM +0100, Pali Rohár wrote:
> 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.

Ah, I see. New feature that didn't exist previously. OK, no need for changes on
that score then.



-- 
Darren Hart
Intel Open Source Technology Center
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