After updating to 2.6.27-11.23 from intrepid-proposed, my backlight keys
stopped working altogether. They had been working perfectly since 2.6.27-11 but
now this:
cat /proc/acpi/video/VGA/LCD/brightness
< not supported >
After downgrading to 2.6.27-11.22:
cat /proc/acpi/video/VGA/LCD/brightness
levels: 100 60 20 28 36 44 52 60 68 76 84 92 100
current: 60
And the keys work perfectly again. It is likely related to this fix in the
changelog:
[ Andy Whitcroft ]
* SAUCE: don't use buggy _BCL/_BCM/_BQC for backlight control
- LP: #311716, #314119
--
The slider brightness Applet has value inverted after the last update
(2.6.27-11)
https://bugs.launchpad.net/bugs/311716
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