- How to bind hot key so that there would have volume sound display on screen?
- How to bind hot key so that brightness would also display on screen?
My i3 config for sound volume and brightness is https://paste.debian.net/1009555
The problem is configuration for sound works but there is no display. And for
brightness, xbacklight -inc N or xbacklight -dec N returns message
No outputs have backlight property
I read that's because xbacklight can't find the corresponded backlight in
/sys/class. I am aware that changing the value at
/sys/class/backlight/intel_backlight works, but I am looking for somewhat more