linux-kernel - Re: [PATCH v2] platform: x86: dell-laptop: Add support for keyboard backlight

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Message-ID: <20141125230143.GB32102@vmdeb7>
Date:	Tue, 25 Nov 2014 15:01:43 -0800
From:	Darren Hart <dvhart@...radead.org>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	libsmbios-devel@...ts.us.dell.com, Srinivas_G_Gowda@...l.com,
	Michael_E_Brown@...l.com,
	Gabriele Mazzotta <gabriele.mzt@...il.com>
Subject: Re: [PATCH v2] platform: x86: dell-laptop: Add support for keyboard
 backlight

On Sun, Nov 23, 2014 at 03:50:45PM +0100, Pali Rohár wrote:
> This patch adds support for configuring keyboard backlight settings on supported
> Dell laptops. It exports kernel leds interface and uses Dell SMBIOS tokens or
> keyboard class interface.
> 
> With this patch it is possible to set:
> * keyboard backlight level
> * timeout after which will be backlight automatically turned off
> * input activity triggers (keyboard, touchpad, mouse) which enable backlight
> * ambient light settings
> 
> Settings are exported via sysfs:
> /sys/class/leds/dell::kbd_backlight/
> 
> Code is based on newly released documentation by Dell in libsmbios project.
> 
> Signed-off-by: Pali Rohár <pali.rohar@...il.com>
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@...il.com>

Queued in Testing branch, but still pending a more thorough final review from me
as it is such a large patch.

-- 
Darren Hart
Intel Open Source Technology Center
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