/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

5 votes127 views1 answer
Tmux for ubuntu
Shell/Bash
0 vote129 views1 answer
Linux how to find files with broken link
Shell/Bash
9 votes113 views2 answers
How to update visual studio to the latest version in ubuntu
Shell/Bash
0 vote111 views3 answers
Bitnami wordpress maximum upload file size 40 mb
Shell/Bash
0 vote108 views1 answer
Sudo: unzip: command not found
Shell/Bash
0 vote114 views1 answer
Octoprint ssh credentials
Shell/Bash
-1 vote69 views2 answers
How to install visual studio in ubuntu
Shell/Bash
0 vote109 views1 answer
Pull request without forking?
Shell/Bash
180 votes297 views10 answers
Kali linux
Shell/Bash
11 votes124 views1 answer
Install discord in ubunut
Shell/Bash