1use std::io;
2use sysfs_class::{Backlight, Brightness, SysClass};
3
4fn main() -> io::Result<()> {
5 for dev in Backlight::all()? {
6 println!(
7 "{} brightness: {} / {}",
8 dev.id(),
9 dev.brightness().unwrap(),
10 dev.max_brightness().unwrap()
11 );
12 }
13
14 Ok(())
15}