sysfs_class/
leds.rs

1use crate::{Brightness, SysClass};
2use std::io::Result;
3use std::path::{Path, PathBuf};
4
5/// Fetch and modify brightness values of LED controllers.
6#[derive(Clone)]
7pub struct Leds {
8    path: PathBuf,
9}
10
11impl SysClass for Leds {
12    fn class() -> &'static str {
13        "leds"
14    }
15
16    unsafe fn from_path_unchecked(path: PathBuf) -> Self {
17        Self { path }
18    }
19
20    fn path(&self) -> &Path {
21        &self.path
22    }
23}
24
25impl Leds {
26    /// Filters backlights to only include keyboard backlights
27    pub fn iter_keyboards() -> impl Iterator<Item = Result<Self>>
28    where
29        Self: 'static,
30    {
31        Self::iter().filter(move |object| {
32            object
33                .as_ref()
34                .ok()
35                .map_or(true, |o| o.id().contains("kbd_backlight"))
36        })
37    }
38}
39
40impl Brightness for Leds {}
sysfs_class/leds.rs

sysfs_class/
leds.rs
