backlight and brightness control on X11

asus_kbd_light.sh

#!/bin/bash

usage="
Asus Keyboard Brightness Control
================================

Usage :
	Increase : ./asus_kbd_light.sh up
	Decrease : ./asus_kbd_light.sh down
	Maximum  : 3
	Minimum  : 0
"    
user_inp=$1
if [[ $user_inp != "up"  ]] && [[ $user_inp != "down"  ]]
then
	echo "$usage"
else
	:
fi

file_path=/sys/class/leds/asus::kbd_backlight/brightness
current=$(cat $file_path)

if [[ $user_inp == up ]] && [[ $current != 3 ]]
then
	new_b=$(($current + 1))
	echo $new_b > $file_path
elif [[ $user_inp == down  ]] && [[ $current != 0 ]]
then
	new_b=$(($current - 1))
	echo $new_b > $file_path
else
	:
fi

sxhkdrc

# Multimedia keys
XF86AudioRaiseVolume
  amixer -q set Master 5%+ unmute

# Still multimedia
XF86AudioLowerVolume
  amixer -q set Master 5%- unmute

# still
XF86AudioMute
  amixer -D pulse sset Master toggle-mute
  
# amixer -q set Master toggle
# Simple amixer command seems to have problems unmuting device


XF86MonBrightnessUp 
    brightnessctl -c backlight set +5%

XF86MonBrightnessDown
    brightnessctl -c backlight set 5%-



XF86KbdBrightnessDown 
    ~/.config/bspwm/scripts/asus_kbd_light.sh down

XF86KbdBrightnessUp 
     ~/.config/bspwm/scripts/asus_kbd_light.sh up