From mboxrd@z Thu Jan  1 00:00:00 1970
From: Greg KH <greg@kroah.com>
Subject: Re: [PATCH] Platform: add Samsung Laptop platform driver
Date: Sun, 13 Mar 2011 09:18:23 -0700
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To: Nikolai Kondrashov <spbnick@gmail.com>
Cc: Richard =?iso-8859-1?Q?Sch=FCtz?= <r.schtz@t-online.de>, Matthew Garrett <mjg@redhat.com>, Randy Dunlap <rdunlap@xenotime.net>, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org
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On Sun, Mar 13, 2011 at 03:02:00PM +0200, Nikolai Kondrashov wrote:
> On 03/13/2011 12:55 PM, Richard Sch=FCtz wrote:
> >That sounds like the driver is interfering with the ACPI video drive=
r.
> >Add "acpi_backlight=3Dvendor" to your kernel boot parameters and try=
 again.
> Thank you, this helped :)
>=20
> Greg, is it OK that both 0 and 1 backlight values have the same effec=
t on
> brightness?

I really don't know, sorry.  Try messing with the actual_brightness fil=
e
instead, that's the one to use.

thanks,

greg k-h