linux-kernel - Re: [patch 0/8] Samsung Laptop driver patches

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Date:	Mon, 7 Nov 2011 23:57:58 +0100
From:	Corentin Chary <corentin.chary@...il.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Matthew Garrett <mjg@...hat.com>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	greg@...ah.com
Subject: Re: [patch 0/8] Samsung Laptop driver patches - resend

On Mon, Nov 7, 2011 at 7:12 PM, Greg KH <gregkh@...e.de> wrote:
> On Sun, Nov 06, 2011 at 11:54:39PM +0100, Corentin Chary wrote:
>> Just got a 90X3A from Intel and I'll try to take a look at samsung-laptop
>> since some features are missing (keyboard backlight for example).
>
> Try adding your device to this driver.  Or, watch out, as newer Samsung
> devices support backlight control "properly" through acpi, which is
> good, and this driver is not needed by them at all.

I'm speaking about *keyboard* backlight here, not screen backlight
(which is already available using both the acpi driver and the intel
graphic driver). There is also a setting to enable USB power while
sleeping without having to change it in the BIOS, and it's probably
possible to control the sound and wlan led.

>> Do you have any doc on the vendor "interface" (other than just reading
>> the code :) ) ?
>
> I do not have any documentation for the interface, sorry.  The code
> should be self-explanatory.

Arg... I can understand the code, I can easilly write ACPI and WMI
drivers, but the "SABI" thing will be harder to reverse engineer :).

Thanks,

-- 
Corentin Chary
http://xf.iksaif.net
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