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

From: Arkadiusz Miskiewicz
Date: Sat Apr 11 2009 - 18:17:52 EST


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/