t2-upower

UPower fork with T2-specific suspend and keyboard-backlight fixes for Intel Macs with a T2 chip.

A PR of this fork was accepted upstream on April 15th, 2026. The repo remains here for the time of transition

Changes

This tree carries a fix in src/up-kbd-backlight.c so keyboard brightness recovers after resume on affected T2 systems.

Required repositories

• apple-bce: https://github.com/deqrocks/apple-bce
• t2-kdb-tb: https://github.com/deqrocks/t2-kbd-tb

Pre-requisites

For Arch/ Arch-based distributions:

sudo pacman -S glib2-devel

For Debian/ Debian based distributions:

sudo apt libglib2.0-dev.

The Linux T2 headers are also required, if not installed already.

Build

meson setup build -Dgtk-doc=false
ninja -C build

Deploy

This is for Fedora. Other distros may use different paths.

Fedora, Debian and Ubuntu install upowerd to /usr/libexec/upowerd.

Arch and CachyOS install it to /usr/lib/upower/upowerd.

Fedora / Fedora-based / Debian / Debian-based:

sudo install -m 0755 build/src/upowerd /usr/libexec/upowerd
sudo systemctl restart upower

Arch / Arch-based:

sudo install -m 0755 build/src/upowerd /usr/lib/upowerd
sudo systemctl restart upower