PPA description

Experimental ubuntu-oneiric kernel which may fix "inverted brightness controls" and/or "backlight dim/off at startup" as reported in bugs LP: #779166, LP: #765438, LP: #773471, LP: #842459 and others.

This patch is only relevant for laptops with Intel graphics processors.

IMPORTANT: Some laptops may also need to boot with the kernel boot parameter "acpi_backlight=vendor" to make proper use of this patch. Guidance on using kernel boot parameters is available at .


linux (3.0.0-15.24+kamal0~inverted~backlight) oneiric; urgency=low

  [ drm-intel-fixes ]

  * drm/i915: Treat pre-gen4 backlight duty cycle value consistently

 -- Kamal Mostafa <email address hidden> Thu, 15 Dec 2011 12:13:02 -0800

Adding this PPA to your system

You can update your system with unsupported packages from this untrusted PPA by adding ppa:kamalmostafa/inverted-backlight to your system's Software Sources. (Read about installing)

sudo add-apt-repository ppa:kamalmostafa/inverted-backlight
sudo apt-get update
Technical details about this PPA

This PPA can be added to your system manually by copying the lines below and adding them to your system's software sources.

deb oneiric main 
deb-src oneiric main 
Signing key:
1024R/77C69C59057A766866EE16C7E0319082F37F3AB0 (What is this?)

For questions and bugs with software in this PPA please contact Kamal Mostafa.

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Overview of published packages

12 of 2 results
Package Version Uploaded by
linux 3.0.0-17.30+kamal0~inverted~backlight Kamal Mostafa (2012-03-15)
linux-meta Herton R. Krzesinski (2012-01-28)
12 of 2 results

Latest updates

  • linux 327 weeks ago
    Successfully built
  • linux-meta 334 weeks ago
    Successfully built