structure ok, git added

arch-installation/devices/thinkpad_x220.md

@@ -0,0 +1,64 @@
+# Thinkpad X220
+
+These are a bunch of useful programs if you own a thinkpad X220.
+This guide is done in collaboration with [rvbg.eu](https://wiki.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`