31 lines
516 B
Bash
31 lines
516 B
Bash
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#!/bin/bash
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device="intel_backlight"
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current=$(brightnessctl -d "$device" g)
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max=$(brightnessctl -d "$device" m)
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current_value=$( echo "$current" | awk '{print $1}')
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current_percent=$(( ($current_value * 100) / $max ))
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function set() {
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brightnessctl -d $device set $1%
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}
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case $1 in
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up)
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if [ $current_percent -le 100 ];then
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new=$(($current_percent + 5))
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set $new
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fi
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;;
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down)
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if [ $current_percent -ge 0 ];then
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new=$(($current_percent - 5))
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set $new
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fi
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;;
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esac
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