http://bugzilla.kernel.org/show_bug.cgi?id=15162
Summary: Changing backlight brightness doesn't work on Acer
eMachines G725
Product: ACPI
Version: 2.5
Kernel Version: 2.6.32
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: acpi_b...@kernel-bugs.osdl.org
ReportedBy: jani-matti.hati...@iki.fi
Regression: No
Created an attachment (id=24760)
--> (http://bugzilla.kernel.org/attachment.cgi?id=24760)
dmidecode output
Changing the screen backlight brightness doesn't work on an Acer eMachines G725
laptop.
Keyboard shortcuts (Fn+Left, Fn+Right) don't work, /sys/class/backlight/ is
empty and all brightness nodes in /proc/acpi/video/ report <not supported>.
When a keyboard shortcut is pressed I get the following ACPI error in dmesg:
ACPI: Failed to switch the brightness
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