Thinkpad X220 tweaks

20-thinkpad.conf

# /usr/share/X11/xorg.conf.d/20-thinkpad.conf
Section "InputClass"
    Identifier "Trackpoint Wheel Emulation"
    MatchProduct       "TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|ThinkPad Compact USB Keyboard with TrackPoint|USB Trackpoint pointing device"
    MatchDevicePath    "/dev/input/event*"
    Option             "EmulateWheel"          "true"
    Option             "EmulateWheelButton"    "2"
    Option             "Emulate3Buttons"       "false"
    Option             "XAxisMapping"          "6 7"
    Option             "YAxisMapping"          "4 5"
EndSection

README.md

Thinkpad X220 tweaks

• http://www.thinkwiki.org/wiki/How_to_get_special_keys_to_work
• http://www.phoronix.com/scan.php?page=article&item=intel_i915_power&num=1

grub

# /etd/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 i915.semaphores=1 acpi_osi=Linux"

tweaks.sh

#!/bin/sh

sudo apt-get install powertop xbacklight
echo "Now run \"sudo powertop\""