[ibm-acpi-devel] [ltp] CALL FOR TESTING: thinkpad-acpi BETA release 0.14-20070708

[Jon Escombe]

Henrique de Moraes Holschuh wrote:

>>> Try using the sysfs interface to control brightness. If it works, fine. If
>>> it doesn't, it means you need brightness_mode=3 (drop me a note in this
>>> case).
>> Works fine using the proc interface, I don't see an equivalent file under 
>> sysfs?
> 
> It is in /sys/class/backlight/thinkpad_screen, at least in 2.6.21.  The
> backlight class is funny that way.
> 

Got it, yes that's getting and setting brightness values as I'd expect.

Thanks,
Jon.