/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

14 votes93 views3 answers
Docker remove all containers
Shell/Bash
0 vote146 views2 answers
Can i create a git repository via terminal
Shell/Bash
0 vote127 views1 answer
Branches not showing github
Shell/Bash
6 votes150 views3 answers
Chmod a+x
Shell/Bash
0 vote114 views1 answer
Not able to start conda navigator ubuntu 18.04
Shell/Bash
18 votes130 views1 answer
Crispy
Shell/Bash
12 votes172 views3 answers
How to pip install on command prompt
Shell/Bash
0 vote120 views1 answer
Install zerotier raspberry pi
Shell/Bash
4 votes129 views2 answers
Copy File from One Directory to Another in Linux
Shell/Bash
1 vote97 views1 answer
How to kill all tmux sessions (or at least multiple sessions) from the CLI?
Shell/Bash