From: takawata-l7ZBCLq5RC066kwqclu8Pg@public.gmane.org
To: John Belmonte <jvb-ZFKsivP1bGvOQU1ULcgDhA@public.gmane.org>
Cc: takawata-yzSWc4HAx5xL9jVzuh4AOg@public.gmane.org,
acpi-devel-pyega4qmqnRoyOMFzWx49A@public.gmane.org
Subject: Re: display interface?
Date: Thu, 05 Sep 2002 12:21:53 +0900 [thread overview]
Message-ID: <200209050313.MAA01092@axe-inc.co.jp> (raw)
In-Reply-To: Your message of "Thu, 05 Sep 2002 11:54:40 JST." <3D76C770.40807-ZFKsivP1bGvOQU1ULcgDhA@public.gmane.org>
In message <3D76C770.40807-ZFKsivP1bGvOQU1ULcgDhA@public.gmane.org>, John Belmonte wrote:
>> this may be a dump question: is there a acpi interface to the laptop display
>?
>> Is it possible to make the display darker/lighter depending on the state of
>battery?
>>
>> Joerg
>
>There is no standard interface under ACPI for this. Vendors implement
There is a spec for Display control on ACPI at ACPI spec 2.0 Appendex B,
though it seems to be not so widely accepted.
But My ThinkPad i1620 AML code implements this, and I'm writing a driver
for acpi vga spec on FreeBSD.
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next prev parent reply other threads:[~2002-09-05 3:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-04 11:57 display interface? joerg.beyer-htSm2yLGOjU
2002-09-05 2:54 ` John Belmonte
[not found] ` <3D76C770.40807-ZFKsivP1bGvOQU1ULcgDhA@public.gmane.org>
2002-09-05 3:21 ` takawata-l7ZBCLq5RC066kwqclu8Pg [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-09-05 8:26 joerg.beyer-htSm2yLGOjU
2002-09-05 14:31 ` John Belmonte
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