linux-kernel - Re: i915 backlight

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Message-ID: <CAMP44s3VyEPK-veHD5kUUPQcDeAKP82tN_px+A6k+BgxXJ270A@mail.gmail.com>
Date:	Fri, 2 Aug 2013 16:25:12 -0500
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	Josep Lladonosa <jlladono@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Borislav Petkov <bp@...en8.de>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	lkml <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: i915 backlight

On Fri, Aug 2, 2013 at 3:11 PM, Josep Lladonosa <jlladono@...il.com> wrote:
> "Before" means with previous kernels that worked with
>
> GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor"

That's probably a different issue. You would need to bisect the problem.

> I have not checked this issue with acpi_osi="!Windows 2012".

Please do.

-- 
Felipe Contreras
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