linux-kernel - Re: [Bug #12705] X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

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Date:	Mon, 20 Apr 2009 12:36:36 +0200
From:	Nico Schottelius <nico-linux-20090213@...ottelius.org>
To:	Nico Schottelius <nico-linux-20090213@...ottelius.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <lenb@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>, Eric Anholt <eric@...olt.net>,
	Matthew Garrett <mjg@...hat.com>
Subject: Re: [Bug #12705] X200: Brightness broken since
	2.6.29-rc4-58-g4c098bc

Nico Schottelius [Fri, Apr 17, 2009 at 04:35:32PM +0200]:
> Brightness is *AGAIN* broken in 2.6.30-rc2-00195-g9f76208.

2.6.30-rc2-next-20090420:

My display *is* at full brightness, but I cannot adjust it,
because I'm missing some files:

[12:35] ikn:~# ls /sys/class/video_output 
[12:35] ikn:~# ls /sys/class/backlight   
[12:35] ikn:~# ls /proc/acpi           
ac_adapter  debug_layer  embedded_controller  fan   power_resource  thermal_zone
battery     debug_level  event          ibm   processor     wakeup
button      dsdt   fadt         info  sleep

So I cannot adjust brightness. I saw that
/proc/acpi/video/VID/LCD0/brightness was not existing on 2.6.30-rc2-00195-g9f76208
either.

Bug or am I missing some new file location?

Nico

-- 
Think about Free and Open Source Software (FOSS).
http://nico.schottelius.org/documentations/foss/the-term-foss/

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