[Bug 955176] Re: Brightness hotkeys misdetected on Eee Pc
Steve Langasek
steve.langasek at canonical.com
Wed Mar 14 23:02:20 UTC 2012
> ACPI events, bare for a few exceptions, are now handled either
> directly by the kernel input layer, or other subsystems, like UPower.
But there *are* exceptions, which is why the package is still around.
Could you tell us which ACPI events are the ones getting duplicate
handling on your system, so we can remove the handlers from the package?
** Changed in: acpi-support (Ubuntu)
Status: New => Incomplete
** Changed in: acpi-support (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/955176
Title:
Brightness hotkeys misdetected on Eee Pc
Status in “acpi-support” package in Ubuntu:
Incomplete
Bug description:
The acpid scripts that ship with acpi-support misdetect the brightness
keys on the Eee PC 901 (and probably most other models, as the ACPI
events are very similar). Both keys, brightness up and down, are
detected as brightness down. On the other hand, brightness events are
already handled by eeepc_laptop, so any additional handling by acpi-
support is harmful and results in crazy behaviour if one presses the
keys. Removing the acpi-support package solves the issue.
But, the real WTF is, why does Ubuntu *still* ship acpi-support, and
acpid? The hacky scripts it uses are largely outdated and cause more
issues than they solve. ACPI events, bare for a few exceptions, are
now handled either directly by the kernel input layer, or other
subsystems, like UPower.
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