13 lines
306 B
Bash
Executable file
13 lines
306 B
Bash
Executable file
#!/bin/bash
|
|
|
|
operation="${1}"
|
|
brightness="$(cat /sys/class/leds/lcd-backlight/brightness)"
|
|
|
|
case "$operation" in
|
|
up)
|
|
echo "$(( ${brightness} + 15 ))" > /sys/class/leds/lcd-backlight/brightness
|
|
;;
|
|
down)
|
|
echo "$(( ${brightness} - 15 ))" > /sys/class/leds/lcd-backlight/brightness
|
|
;;
|
|
esac
|