Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

Len Brown
2009-02-13T18:06:17Z

> > When using
> > - vmlinuz-2.6.29-rc4-ikn-00058-g4c098bc or
> > - vmlinuz-2.6.29-rc4-ikn-00211-g37bed90
> >
> > the brightness of the LCD is almost off (lowest level),
> > although kernel reports otherwise:
> >
> > [10:31] ikn:~% cat /proc/acpi/video/VID/LCD0/brightness
> > levels: 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 100
> > current: 100
> >
> > Changing the brightness via echo 20 > /proc/acpi/video/VID/LCD0/brightness
> > only changes the value displayed, the display always keeps the same
> > brightness.
> >
> > The last time I saw it working was vmlinuz-2.6.29-rc4-ikn-00001-gd5b5623.

Nico,
there are not a lot of changes between rc4 and the breakage,
(and none of them jump out at me) can you git-bisect?

thanks,
Len Brown, Intel Open Source Technology Center