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[Bug 1249219] Re: backlight control acpi_video0 instead intel_backlight

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.12 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-trusty/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Tags added: saucy

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https://bugs.launchpad.net/bugs/1249219

Title:
  backlight control acpi_video0 instead intel_backlight

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After upgrading to new release (13.10), i got a little bug.
  When i control brightness, system change value in file /sys/class/backlight/acpi_video0/brightness instead of /sys/class/backlight/intel_backlight/brightness by default
  How i can fix it?

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