https://bugzilla.kernel.org/show_bug.cgi?id=60680
Bug ID: 60680
Summary: Lenovo x230: i915 Backlight not controllable over
Fx-F{8,9} buttons
Product: ACPI
Version: 2.5
Kernel Version: 3.11-c3
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Video
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 107078
--> https://bugzilla.kernel.org/attachment.cgi?id=107078&action=edit
acpidump by hand
Since the 3.11 cycle started, I cannot control the
backlight on my laptop using the Fx-F{8,9} keys. It
still works though when I write values over sysfs's node
/sys/class/backlight/intel_backlight/brightness.
acpidump is attached.
Well, almost - it doesn't work the normal way, it says here:
# acpidump
Linux version not implemented yet
Could not get ACPI tables, AE_SUPPORT
so I read them out from sysfs and hexdump-ed them. Let me know if this
is not ok but it looks ok to me.
Thanks.
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