[ltp] Re: T510i backlight

[Axel Braun]

I just run the openSUSE 11.3 Live (KDE, 64bit version) on a new T510: 
Backlight can be turned up and down with the function keys. No problem from 
this side....

michele mazza wrote:

> 
> I can confirm this problem on a ThinkPad T510i running Fedora 14 with KDE.
> I'll be back with any relevant info I find.
> 
> 
> Jussi Larjo wrote:
>> 
>> Replying to myself: I tried loading thinkpad_acpi with forced backlight
>> control. /sys/class/backlight/thinkpad_screen tree appears and works
>> with hotkeys but no actual brightness change this way either.
>> 
>> [31962.708349] thinkpad_acpi: ThinkPad ACPI Extras v0.24
>> [31962.708354] thinkpad_acpi: http://ibm-acpi.sf.net/
>> [31962.708356] thinkpad_acpi: ThinkPad BIOS 6MET61WW (1.24 ), EC
>> 6MHT38WW-1.13
>> [31962.708359] thinkpad_acpi: Lenovo ThinkPad T510, model 43149VG
>> [31962.709858] thinkpad_acpi: detected a 16-level brightness capable
>> ThinkPad
>> [31962.710211] thinkpad_acpi: radio switch found; radios are enabled
>> [31962.710230] thinkpad_acpi: This ThinkPad has standard ACPI backlight
>> brightness control, supported by the ACPI video driver
>> [31962.710233] thinkpad_acpi: Disabling thinkpad-acpi brightness events
>> by default...
>> [31962.720122] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio
>> is unblocked
>> [31962.725961] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is
>> unblocked
>> [31962.726445] Registered led device: tpacpi::thinklight
>> [31962.726545] Registered led device: tpacpi::power
>> [31962.726794] Registered led device: tpacpi::standby
>> [31962.726904] Registered led device: tpacpi::thinkvantage
>> [31962.732634] thinkpad_acpi: Backlight control force enabled, even if
>> standard ACPI backlight interface is available
>> [31962.735613] thinkpad_acpi: Console audio control enabled, mode:
>> monitor (read only)
>> [31962.741476] input: ThinkPad Extra Buttons as
>> /devices/platform/thinkpad_acpi/input/input23
>> 
>> 
>> Please help?
>> 
>> Jussi
>> 
>> 
> 

-- 
Linux on a ThinkPad: http://www.axxite.com/brn