Just a simple program to change the fan speed from linux (PS4)

Download, build, install the XForms Toolkit: http://xforms-toolkit.org/

Type

make

That's all

You need run ps4fancontrol with root privileges

sudo ./ps4fancontrol

Select your favorite threshold temperature, save and exit. The selected temperature will be saved in a config file and loaded when ps4fancontrol starts. If you want load automatically ps4fancontrol at boot of your distro just put

ps4fancontrol --no-gui

in a unit configuration file: https://wiki.archlinux.org/index.php/Systemd#Writing_unit_files or use crontab or similar..

1. If you are on Arch Linux you can just add the repository https://psxita.it/repo-testing to /etc/pacman.conf

sudo echo -e "\n[ps4]\nSigLevel = Never\nServer = https://psxita.it/repo-testing" >> /etc/pacman.conf

2. Update Arch Linux

sudo pacman -Syu

3. Install ps4fancontrol

sudo pacman -S ps4fancontrol

4. Run ps4fancontrol

sudo ps4fancontrol

5. Select the desidered threshold temperature, save, exit
6. To autostart ps4fancontrol at boot enable the service ps4fancontrol

sudo systemctl enable ps4fancontrol

Enjoy

Thanks to Zer0xFF for finding the right icc cmd to change the threshold temperature and to shuffle2 for the patch to expose the icc to usermode.