[ltp] T510i backlight

[michele mazza]

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
> 
> 

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