Lenovo ThinkPad Edge E330

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This article covers the Arch Linux support for the Lenovo ThinkPad Edge E330s laptop.

Hardware PCI/USB ID Working?
GPU Yes
Ethernet Yes
Wireless Yes
Bluetooth Yes
Audio Yes
Webcam Yes
Card Reader Yes

Configuration

Clickpad

In some cases it is necessary to create: 

/etc/X11/xorg.conf.d/50-touchpad.conf
Section "InputClass"
        Identifier "touchpad"
        MatchProduct "SynPS/2 Synaptics TouchPad"
        Driver "synaptics"
        # fix touchpad resolution
        Option "VertResolution" "100"
        Option "HorizResolution" "65"
        # disable synaptics driver pointer acceleration
        Option "MinSpeed" "1"
        Option "MaxSpeed" "1"
        # tweak the X-server pointer acceleration
        Option "AccelerationProfile" "2"
        Option "AdaptiveDeceleration" "16"
        Option "ConstantDeceleration" "16"
        Option "VelocityScale" "32"
EndSection

Also see: https://forums.lenovo.com/t5/Linux-Discussion/lenovo-e330-touchpad-problem-on-ubuntu-12-04-LTS-32-bit/td-p/1053541

Jumping cursor on touchpad release

A jumping cursor when releasing the finger makes it impossible to hit small objects. Solved with synclient(1) FingerHigh/Low: 

$ synclient FingerHigh=40
$ synclient FingerLow=40

Troubleshooting

Brightness control

Brightness can only be switched between darkest and brightest values using OS method. The fix is to make the thinkpad-acpi kernel module control it: append thinkpad-acpi.brightness_enable=1 acpi.brightness_switch_enabled=0 to the kernel line in the bootloader.

See also