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MacBook Air 6,1 and 6,2 (mid 2013) backlight driver

126 Stars 20 Forks GNU General Public License v2.0 52 Commits 18 Opened issues

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You need to have the kernel headers (e.g. linux-header-generic) installed for the kernel you're compiling for. You also need the build tools (build-essential or similar).

  • git clone git://github.com/patjak/mba6x_bl
  • cd mba6x_bl
  • make
  • sudo make install
  • sudo depmod -a

Note: You no longer need to specify mba6x_bl as your backlight device in /etc/X11/xorg.conf. This is now handled automatically by promoting the driver above the ACPI backlight interface.

At this point you can load the module

sudo modprobe mba6x_bl

Then restart X (usually log in / log out will do the trick). The module should automatically load on next boot on any MacBook Air 6,x.

If brightness control still doesn't work:

You may need to follow the directions suggested in #65 and do the following: 1. Create

. 2. In that file, enter the following content (from here):
Section "Device"
  Identifier "Intel Graphics"
  Driver "Intel"
  Option "Backlight"  "mba6x_backlight"
3. Remove
or move it to a backup directory. 4. Log in/log out or
$ reboot

Debian dkms package

You can either follow the long route https://wiki.kubuntu.org/Kernel/Dev/DKMSPackaging, or download a pre-made .deb.zip file of v1.1.0 from https://github.com/patjak/mba6x_bl/files/505288/mba6xbl-dkms_1.1.0_all.deb.zip, which can be installed with

dpkg -i
. (Installing v1.0.0 can result in build errors; see #55.)

Ubuntu specific instructions


Arch Linux dkms package

An Arch Linux prepared package can be found at https://aur.archlinux.org/packages/mba6x_bl-dkms/

Gentoo ebuild

A Gentoo ebuild can be had at https://github.com/chrisperelstein/gentoo-overlay/blob/master/x11-drivers/mba6x_bl/mba6x_bl-9999.ebuild. You can install with

layman -o https://github.com/chrisperelstein/gentoo-overlay/raw/master/overlay.xml -a chrisperelstein
, unmasking by adding
=x11-drivers/mba6x_bl-9999::chrisperelstein **
to /etc/portage/package.acceptkeywords, followed by `emerge mba6xbl`.

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