http://bugzilla.kernel.org/show_bug.cgi?id=13023
Summary: PROBLEM: no backlight control on Amilo Pa 2548
Product: ACPI
Version: 2.5
Kernel Version: 2.6.29
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Video
AssignedTo: acpi_power-vi...@kernel-bugs.osdl.org
ReportedBy: piotr.ab...@gmail.com
Regression: No
Created an attachment (id=20829)
--> (http://bugzilla.kernel.org/attachment.cgi?id=20829)
Output of acpidump
Latest working kernel version: none
Distribution: Archlinux (i686)
Hardware Environment: Fujitsu Siemens Amilo Pa 2548
Software Environment:
Problem Description:
I have two problems:
1. I cannot control a backlight through keys: Fn+F8 (brightness down) and Fn+F9
(brightness up). No ACPI events are occured by pressing these keys. If ACPI is
off then i can control it.
2. My system doesn't have the backlight interface under /sys/class/backlight
and /proc/acpi/video. Module 'video' is loaded.
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