From: Pavel Machek <pavel@ucw.cz>
To: Matt Domsch <Matt_Domsch@dell.com>
Cc: Andrew Morton <akpm@osdl.org>,
Alessandro Guido <alessandro.guido@gmail.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
len.brown@intel.com, jengelh@linux01.gwdg.de, gelma@gelma.net,
ismail@pardus.org.tr
Subject: Re: [PATCH 2.6.18-mm2] acpi: add backlight support to the sony_acpi driver
Date: Sat, 7 Oct 2006 00:44:36 +0200 [thread overview]
Message-ID: <20061006224436.GD29690@elf.ucw.cz> (raw)
In-Reply-To: <20061006211751.GA31887@lists.us.dell.com>
Hi!
> > Please move it into the kernel where it belongs, and use lcd
> > brightness subsystem like everyone else.
>
> We've been through this before.
> http://marc.theaimsgroup.com/?l=linux-kernel&m=114067198323596&w=2
>
> In addition, the SMI call used to change the backlight level *may*
> require (if configured by the sysadmin in BIOS), a password be
> entered.
This is crazy, password-protected backlight level?
Can you make sure this crazyness does not infect newer models?
> This begs for a common userspace app that can grok libsmbios and
> kernel interfaces both, and use the appropriate method on each, rather
> than just putting it all in the kernel.
Kernel is expected to provide hardware abstraction. libsmbios will
mean person able to change backlight will be able to do lots of
strange stuff...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2006-10-06 22:45 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-30 17:08 [PATCH 2.6.18-mm2] acpi: add backlight support to the sony_acpi driver Alessandro Guido
2006-09-30 17:14 ` Alessandro Guido
2006-09-30 17:31 ` Jan Engelhardt
2006-10-02 0:19 ` Andrew Morton
2006-10-02 0:39 ` Matt Domsch
2006-10-02 0:48 ` Matt Domsch
2006-10-05 10:36 ` Pavel Machek
2006-10-06 21:17 ` Matt Domsch
2006-10-06 22:44 ` Pavel Machek [this message]
2006-10-10 14:32 ` Yu Luming
2006-10-10 14:47 ` Richard Hughes
2006-10-10 16:10 ` Matt Domsch
2006-10-11 16:28 ` Yu Luming
2006-10-16 17:45 ` Yu Luming
2006-10-25 7:07 ` Pavel Machek
2006-10-27 17:24 ` Luming Yu
2006-10-29 17:50 ` Pavel Machek
2006-10-30 15:49 ` Luming Yu
2006-10-10 21:26 ` Matthew Garrett
2006-10-11 3:02 ` Matt Domsch
2006-10-11 3:16 ` Matthew Garrett
2006-10-11 16:37 ` Yu Luming
2006-10-11 6:59 ` Arjan van de Ven
2006-10-11 7:04 ` Matthew Garrett
2006-10-11 8:04 ` Ismail Donmez
2006-10-11 8:12 ` Matthew Garrett
2006-10-11 16:31 ` Yu Luming
2006-10-11 16:45 ` Ismail Donmez
2006-10-02 10:29 ` Holger Macht
2006-10-02 11:25 ` Alessandro Guido
2006-10-10 15:17 ` Yu Luming
2006-10-10 15:22 ` Richard Hughes
2006-10-10 21:23 ` Matthew Garrett
2006-10-11 3:20 ` Dmitry Torokhov
2006-10-11 16:48 ` Yu Luming
2006-10-11 19:08 ` Dmitry Torokhov
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