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[Bug 1231845] Re: G750JH, Asus-WMI, LCD Backlight dimming not working

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.14 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/v3.14-trusty/


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

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https://bugs.launchpad.net/bugs/1231845

Title:
  G750JH,  Asus-WMI, LCD Backlight dimming not working

Status in The Linux Mint Distribution:
  New
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  On the Asus G750JH like many other Asus laptops have function keys to
  control both the keyboard backlight led's ( Fn + F3, Fn + F4 working)
  and the dimming of the lcd backlight. On mine they are Fn + F5 and Fn
  + F6 which have no effect.

  Ubuntu Raring 13.04 AMD Downloaded Friday Sept. 26, 2013, Both Fresh
  Install and off of LiveCD

  [   13.492529] asus_wmi: ASUS WMI generic driver loaded
  [   13.556540] asus_wmi: Initialization: 0x1asus_wmi: BIOS WMI version: 7.9
  [   13.556692] asus_wmi: SFUN value: 0x4a0877<6>
  [   13.557552] input: Asus WMI hotkeys as /devices/platform/asus-nb-wmi/input/input5
  [   13.655064] asus_wmi: Backlight controlled by ACPI video driver

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