linux-kernel - Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys

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Date:	Sun, 12 Apr 2009 00:17:37 +0200
From:	Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Niel Lambrechts <niel.lambrechts@...il.com>,
	Henrique de Moraes Holschuh <hmh@....eng.br>
Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys

On Saturday 11 of April 2009, Niel Lambrechts wrote:
> Hi there,
>
> With latest git kernel, I'm no longer able to control my Thinkpad (W500)
> brightness, although I can still control the backlight, bluetooth etc.

Same problem here (but no warning) on T400. I wasn't able to get it working. 
Tried using different values (0, 1,2, 3) for brightness_mode without success.

[ 7527.512263] thinkpad_acpi: ThinkPad ACPI Extras v0.22
[ 7527.512269] thinkpad_acpi: http://ibm-acpi.sf.net/
[ 7527.512274] thinkpad_acpi: ThinkPad BIOS 7UET61WW (2.07 ), EC 7VHT12WW-1.01
[ 7527.512279] thinkpad_acpi: Lenovo ThinkPad T400, model 2764CTO
[ 7527.526581] thinkpad_acpi: radio switch found; radios are enabled
[ 7527.526902] thinkpad_acpi: This ThinkPad has standard ACPI backlight 
brightness control, supported by the ACPI video driver
[ 7527.526909] thinkpad_acpi: Disabling thinkpad-acpi brightness events by 
default...
[ 7527.547485] Registered led device: tpacpi::thinklight
[ 7527.547747] Registered led device: tpacpi::power
[ 7527.547799] Registered led device: tpacpi::standby
[ 7527.554449] thinkpad_acpi: Standard ACPI backlight interface available, not 
loading native one.
[ 7527.554921] input: ThinkPad Extra Buttons as /class/input/input21

> Niel

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/

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