https://bugzilla.kernel.org/show_bug.cgi?id=51231
Summary: Backlight keys doesn't work on ThinkPad t430s
Product: ACPI
Version: 2.5
Kernel Version: 3.7.0-rc7
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Video
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: Yes
Created an attachment (id=88171)
--> (https://bugzilla.kernel.org/attachment.cgi?id=88171)
config of kernel 3.7.0-rc7
Hello!
The backlight keys (Fn+F8, Fn+F9) stopped working with Kernel 3.7.0-rc7. It
works with the current stable Kernel 3.6.8. I can still change the backlight
brightness via "System Settings" > "Brightness & Lock" in GNOME. I can't see
any message about not working keys in dmesg or the syslog.
I should note, that the brightness-indicator of GNOME shows if I press one of
the keys and it moves the progress-bar a ittle bit. After I changedthe
brigthness via "System Settings" it is possible to use the keys to change the
brightness over a wider range, but not the complete range. Seems to be some
side effect.
Maximal movement of of brightness, visuallay:
Default:
[ x x x x x x x - ]
After I changed the brightness to the middle, via "System Settings":
[ x x - - - - x x ]
Sorry for the weird report.
Thank you.
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