22 lines
470 B
Plaintext
22 lines
470 B
Plaintext
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#!/bin/bash
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# control external monitor brightness using ddc/ci
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level="$1"
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if [ $level -lt 0 ] || [ $level -gt 100 ]; then
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echo "brightness must be between 0 and 100"
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exit 1
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fi
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dpys=$(ddcutil detect --async | grep Display | cut -f2 -d' ' | tr '\n' ' ')
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# NOTE: as nice as it would be, it seems that I can't run all of these in
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# parallel since ddc will get confused (idk why)
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for d in $dpys; do
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ddcutil setvcp 10 "$level" -d "$d" > /dev/null
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done
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wait
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