31 lines
650 B
Bash
31 lines
650 B
Bash
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#!/usr/bin/env bash
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function SetKeyboardBrightness() {
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echo $1 | sudo tee /sys/class/leds/asus\:\:kbd_backlight/brightness
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}
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min_brightness="0"
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max_brightness=$(cat /sys/class/leds/asus\:\:kbd_backlight/max_brightness)
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current_brightness=$(cat /sys/class/leds/asus\:\:kbd_backlight/brightness)
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case "$1" in
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"up")
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if [ "$current_brightness" != "$max_brightness" ]; then
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let 'current_brightness+=1'
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fi
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;;
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"down")
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if [ "$current_brightness" != "$bin_brightness" ]; then
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let 'current_brightness-=1'
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fi
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;;
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*)
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echo "Usage: $0 {up|down}"
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exit 1
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;;
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esac
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SetKeyboardBrightness $current_brightness
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