** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Triaged
** Summary changed:
- Backlight can't be controlled
+ HP ProBook 6570b using acpi_video0 for backlight rather than intel_
** Summary changed:
- HP ProBook 6570b using acpi_video0 for backlight rather than intel_
+ HP
** Tags added: backlight
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https://bugs.launchpad.net/bugs/1158934
Title:
Backlight can't be controlled
Status in “xserver-xorg-video-intel” package in
** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
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https://bugs.launchpad.net/bugs/1158934
Title:
Backlight can't be controlled
It is trying to use 'acpi_video0', the question is why that ACPI driver
is dysfunctional. Do you have a choice of an alternative driver?
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Thanks for the reply. I was never given the option, but if there's some
sort of boot option, let me know and I'll try.
On Mon, Mar 25, 2013 at 3:22 PM, Chris Wilson ch...@chris-wilson.co.ukwrote:
It is trying to use 'acpi_video0', the question is why that ACPI driver
is dysfunctional. Do you
ls /sys/class/backlight
You can override which backlight is used with a snippet:
Section Device
Identifier Device0
Option Backlight name_of_backlight
EndSection
in /etc/X11/xorg.conf.d/backlight.conf
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Using /sys/class/backlight/intel_backlight did the trick. Thanks a lot! Can
I offer you any help with e.g. documenting the bug in return?
On Mon, Mar 25, 2013 at 4:46 PM, Chris Wilson ch...@chris-wilson.co.ukwrote:
ls /sys/class/backlight
You can override which backlight is used with a
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