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SubjectRe: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys
On Mon, 13 Apr 2009, Niel Lambrechts wrote:
> >> In
> >> lrwxrwxrwx 1 root root 0 Apr 12 20:01 /sys/class/backlight/acpi_video0
> >> -> ../../devices/virtual/backlight/acpi_video0

Well, that at least confirms that thinkpad-acpi doesn't have anything to
do with your troubles, you were using acpi video.

While the problem isn't fixed, you can try forcing thinkpad-acpi to
provide a backlight interface and use that (docs in
Documentation/laptops/thinkpad-acpi.txt). But you get to keep both pieces
if that causes the kernel or's GPU drivers to blow up in pieces when
the SMBIOS messes with the GPU behind their backs.

"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh

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