yambar-modules-backlight(5)

Overview

This module reads monitor backlight status from /sys/class/backlight, and uses udev to monitor for changes.

Name	Type	Description
brightness	range	The current brightness level, in absolute value
percent	range	The current brightness level, in percent

Name	Type	Req	Description
name	string	yes	The backlight device's name (one of the names in /sys/class/backlight)

bar:
  left:
    - backlight:
        name: intel_backlight
        content:
          string: {text: "backlight: {percent}%"}

2 releases since Debian 12 (Bookworm); the text changed 1 time.