https://bugzilla.kernel.org/show_bug.cgi?id=42833
Summary: Setting brightness doesn't work out of the box on Acer
Extensa 5235
Product: ACPI
Version: 2.5
Kernel Version: 3.2.0-17-generic-pae
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
I use this laptop since 2010 and I always have to write something into
/etc/default/grub, to make the brÃghtness changeable.
Now on Ubuntu 12.04 it is properly working if I write "acpi_backlight=vendor"
to this line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
I tried the latest upstream kernel, but this bug is still exist in it.
Is it possible to fix this bug, to make the brightness change working out of
the box?
I hope I attached everything which necessary, if not please let me know what I
should send.
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