lkml.org 
[lkml]   [2009]   [Apr]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys
On 04/13/2009 05:18 PM, Niel Lambrechts wrote:
> On 04/13/2009 03:53 AM, Zhang Rui wrote:
>
>> please attach the acpidump output.
>> please apply this patch and see if it helps,
>> http://patchwork.kernel.org/patch/17339/
>>
>>
> Hi,
>
> The patch you mention above has no effect when applied to the latest
> 2.6.30-rc1 git kernel. I'm still unable to control brightness, and the
> display is still blank on resume (unless I press both a keyboard key and
> touch the synaptic pad).
>
> dmesg shows:
> thinkpad_acpi: ThinkPad ACPI Extras v0.22
> thinkpad_acpi: http://ibm-acpi.sf.net/
> thinkpad_acpi: ThinkPad BIOS 6FET50WW (1.20 ), EC 7VHT12WW-1.01
> thinkpad_acpi: Lenovo ThinkPad W500, model 40622XG
> thinkpad_acpi: radio switch found; radios are enabled
> thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness
> control, supported by the ACPI video driver
> thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
> Registered led device: tpacpi::thinklight
> Registered led device: tpacpi::power
> Registered led device: tpacpi::standby
> thinkpad_acpi: Standard ACPI backlight interface available, not loading
> native one.
> pci 0000:00:02.0: power state changed by ACPI to D0
>
> but /sys/class/backlight still is empty.
>
> acpidump output attached, please let me know if I can test anything else
> or provide more info...
>
I've just retried this with the latest Lenovo firmware *2.12-1.01
*6FET64WW (which came out last week). It still gives the same bad result
though...

I attach acpidump again in case it matters after upgrading the BIOS.

cheers
Niel

[unhandled content-type:application/x-gzip]
\
 
 \ /
  Last update: 2009-04-13 20:25    [W:0.797 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site