linux-kernel - Re: [REGRESSION/PATCH] acpi: blacklist win8 OSI for ASUS Zenbok Prime UX31A

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Message-ID: <CAMP44s1zDvUoVZ0NTgank3eXaUJ49vNJtiHdqtt3S39hmbSPUw@mail.gmail.com>
Date:	Thu, 1 Aug 2013 18:40:46 -0500
From:	Felipe Contreras <felipe.contreras@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Aaron Lu <aaron.lwe@...il.com>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [REGRESSION/PATCH] acpi: blacklist win8 OSI for ASUS Zenbok Prime UX31A

On Tue, Jul 30, 2013 at 7:11 PM, Felipe Contreras
<felipe.contreras@...il.com> wrote:

> It is already broken in v3.11-rc3, in fact I just booted that to try
> it out and it booted with the screen completely black (fortunately I
> knew exactly what to type to change that).
>
> Also, each time I change the
> backlight level from X, the screen blinks as if going 100%, 0%, and
> then the desired level.

This one is a bug in the ACPI driver. Here's the fix:

http://article.gmane.org/gmane.linux.kernel/1536959

Now instead of booting with 0% (off), it boots with 100%, which is
still not ideal, but way better.

-- 
Felipe Contreras
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