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From: Aaron Lu <aaron.lu@intel.com>
To: Felipe Contreras <felipe.contreras@gmail.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
	linux-acpi@vger.kernel.org, Len Brown <lenb@kernel.org>
Subject: Re: [PATCH] acpi: blacklist win8 OSI for ASUS Zenbok Prime UX31A
Date: Thu, 27 Jun 2013 10:37:00 +0800	[thread overview]
Message-ID: <51CBA54C.6040703@intel.com> (raw)
In-Reply-To: <4224252.tpDZo1Wai9@vostro.rjw.lan>

On 06/26/2013 08:42 PM, Rafael J. Wysocki wrote:
> On Wednesday, June 26, 2013 05:41:01 AM Felipe Contreras wrote:
>> On Mon, May 20, 2013 at 3:16 AM, Felipe Contreras
>> <felipe.contreras@gmail.com> wrote:
>>> Otherwise the backlight can't be changed, presumably because the DSDT
>>> contains stub code when in conjunction with Windows 8.
>>>
>>> https://wiki.archlinux.org/index.php/ASUS_Zenbook_Prime_UX31A
>>>
>>> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
>>
>> Hello?
>>
>> Is there anything wrong with this patch?
> 
> We're going to fix this issue in a different way.

Hi Felipe,

Please reference a similar bug where ACPI video driver can't work for
some thinkpad win8 laptops:
https://bugzilla.kernel.org/show_bug.cgi?id=51231

And the proposed way to fix this issue is for all Win8 systems, the
ACPI video backlight interface will be removed, leaving only GPU's
backlight interface:
https://lkml.org/lkml/2013/6/9/161

Thanks,
Aaron

  reply	other threads:[~2013-06-27  2:36 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-20  8:16 [PATCH] acpi: blacklist win8 OSI for ASUS Zenbok Prime UX31A Felipe Contreras
2013-06-26 10:41 ` Felipe Contreras
2013-06-26 12:42   ` Rafael J. Wysocki
2013-06-27  2:37     ` Aaron Lu [this message]
2013-07-17 15:42       ` Felipe Contreras
2013-07-17 22:04         ` Rafael J. Wysocki
2013-07-18  0:20           ` Felipe Contreras
2013-07-18  0:31             ` Rafael J. Wysocki
2013-07-18  0:53               ` Felipe Contreras
2013-07-18 19:19                 ` Rafael J. Wysocki
2013-07-18 21:36                   ` Felipe Contreras
2013-07-18  1:04         ` Aaron Lu
2013-07-17 15:42     ` Felipe Contreras

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