/Shell/Bash/Keyboard backlight not working linux

Keyboard backlight not working linux

#!/bin/bash
# Adjust the keyboard backlight level

shopt -s -o nounset

declare -i KBD_BACKLIGHT_MAX=`cat /sys/class/leds/asus\:\:kbd_backlight/max_brightness`
declare -i KBD_BACKLIGHT_LEV=`cat /sys/class/leds/asus\:\:kbd_backlight/brightness` 

# We need a parameter, etiher inc or dec
if [ $# -eq 0 ] ; then
   exit 192
fi 

case $1 in
-inc ) 
   # increasing:
   if [ ${KBD_BACKLIGHT_LEV} -lt ${KBD_BACKLIGHT_MAX}  ] ; then
      KBD_BACKLIGHT_LEV=${KBD_BACKLIGHT_LEV}+1
      echo ${KBD_BACKLIGHT_LEV} | tee /sys/class/leds/asus::kbd_backlight/brightness
   fi
   ;;
-dec )
   # decreasing:
   if [ ${KBD_BACKLIGHT_LEV} -gt 0 ] ; then
      KBD_BACKLIGHT_LEV=${KBD_BACKLIGHT_LEV}-1
      echo ${KBD_BACKLIGHT_LEV} | tee /sys/class/leds/asus::kbd_backlight/brightness
   fi
   ;;
esac

exit 192

Source: askubuntu.com

Similar codes

0 vote185 views1 answer
Docker image layer storage windows
Shell/Bash
0 vote192 views1 answer
Enable podman behavior as docker
Shell/Bash
2 votes209 views1 answer
How to open gedit using terminal
Shell/Bash
0 vote201 views1 answer
Sudo snap linux store
Shell/Bash
0 vote291 views2 answers
List pid bash
Shell/Bash
0 vote192 views2 answers
Node-gyp error
Shell/Bash
-1 vote232 views1 answer
McFly: Upgrading McFly DB to version 3, please wait...thread 'main' panicked at 'McFly error: Unable to add cmd_tpl to commands (duplicate column name: cmd_tpl)', src/history/schema.rs:41:17
Shell/Bash
0 vote185 views1 answer
Tar-delete
Shell/Bash
9 votes175 views2 answers
Install wsl using this powershell script
Shell/Bash
0 vote227 views1 answer
Login as root debian
Shell/Bash