* No backlight on pinetrail machine
@ 2011-05-07 16:01 Gabriel M. Beddingfield
0 siblings, 0 replies; only message in thread
From: Gabriel M. Beddingfield @ 2011-05-07 16:01 UTC (permalink / raw)
To: intel-gfx
Hello,
Using kernels 2.6.37.2 and 2.6.38.2 I have a pinetrail/N450
board where I can not control the backlight. (Nothing
appears in /sys/class/backlight, no /proc/acpi/video). Any
idea what's going wrong here? Buggy BIOS?
The same kernels will work on other pinetrail's (like the
Lenovo S10-3t and a couple CULV machines).
This machine is an ii-view m1touch. dmidecode id's the
board vendor as "THD(Thread technology)" BIOS is AMI v2.67.
For grins I booted Ubuntu 10.04. Still no
/sys/class/backlight. However /proc/acpi/video/GFX0 showed
some stuff, but all the `backlight` interfaces said "<not
supported>"
Thanks,
Gabriel
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