Messages in this thread | | | Date | Mon, 13 Apr 2009 20:20:58 +0200 | From | Niel Lambrechts <> | Subject | Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys |
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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
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