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24 lines
685 B
24 lines
685 B
#!/bin/bash
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set -e
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# Define the backlight device
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BACKLIGHT_DEVICE="/sys/class/backlight/intel_backlight"
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DECREMENT=300 # Adjust this to the value you want to increase
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# Get the current and max brightness
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current_brightness=$(cat "$BACKLIGHT_DEVICE/brightness")
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max_brightness=$(cat "$BACKLIGHT_DEVICE/max_brightness")
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# Calculate new brightness value
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new_brightness=$((current_brightness - DECREMENT))
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# Ensure it doesn't exceed the maximum brightness
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if [ "$new_brightness" -gt "$max_brightness" ]; then
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new_brightness=$max_brightness
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fi
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# Set the new brightness
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echo "$new_brightness" > "$BACKLIGHT_DEVICE/brightness"
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notify-send "Brightness increased to $new_brightness"
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