Thinkpad X220

These are a bunch of useful programs if you own a thinkpad X220. This guide is done in collaboration with rvbg.eu.

Install Gfx drivers

yay -S xf86-video-intel

Fan controlling

yay -S lm_sensors thinkfan - Install the needed utilities
sudo modprobe thinkpad_acpi - After that load the kernel module thinkpad_acpi
sudo cp /usr/share/doc/thinkfan/examples/thinkfan.conf.simple /etc/thinkfan.conf Copy and configure the config file
systemctl start thinkfan - Start the thinkfan service
sudo thinkfan -n - Check the output

systemctl enable thinkfan.service - enable the thinkfan service

Change brightness via keyboard

sudo vim /boot/loader/entries/arch.conf - Open the bootloader configuration
Go to the options line. Append the following. acpi_osi="!Windows 2012"
shutdown -r now - Reboot the system

Activate battery options

yay -S tlp - Install the service
yay -S acpi_call - Enables battery charging stop at given capacity
sudo vim /etc/tlp.conf - Open the battery options
Change the following lines

START_CHARGE_THRESH_BAT0=80
STOP_CHARGE_THRESH_BAT0=90

The battery will start charging at 80 percent and stop charging at 90.

sudo tlp start - Start service and save changed options
sudo systemctl enable tlp.service - Enable the service

Setup Thinkpad Dock

yay -S dockd - Install the docking service
yay -S xrandr arandr - Instll multimonitor tools
Dock the system
arandr - Setup the monitor configuration
dockd --config docked - Save the changes (has to maybe be stopped by CTRL + C)
Undock the system
arandr - Setup the monitor configuration
dockd --config undocked - Save the changes (has to maybe be stopped by CTRL + C)
systemctl enable acpid - Activate ACPI listener
systemctl start acpid - Start ACPI listener

Scripts to change configuration at docking/undocking

For the docked configuration use vim /etc/dockd/dock.hook
For the undocked configuration use vim /etc/dockd/undock.hook

FN keys not working

If the fn keys are not working properly run a script that changes the sys/module/hid_apple/parameters/fnmode file. This toggles between the two different fn key functions.

Toggle the touchpad

To toggle the touchpad on or off a simple script can be used that uses synclient TouchpadOff=1 or synclient TouchpadOff=0. This requires xf86-input-synaptics which is a synaptics driver for notebook touchpads.

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