/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

1 vote204 views1 answer
Install missing pdo_mysql suse linux zypper
Shell/Bash
0 vote189 views1 answer
How to set spark-submit number of retries if you're not using yarn, but spark cluster?
Shell/Bash
6 votes237 views2 answers
How to open .conf ubuntu
Shell/Bash
0 vote251 views1 answer
Sudoless docker
Shell/Bash
0 vote205 views2 answers
Get total github lines
Shell/Bash
0 vote250 views2 answers
Reset repo
Shell/Bash
1 vote201 views1 answer
Docker Problem with the CMake installation, aborting build. CMake executable is cmake
Shell/Bash
0 vote224 views1 answer
Install glesv2 and egl library
Shell/Bash
1 vote201 views1 answer
Stop minikube
Shell/Bash
6 votes203 views2 answers
Nano add line numbers
Shell/Bash