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40 lines
985 B
40 lines
985 B
#!/usr/bin/env sh |
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# include common definitions |
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# shellcheck source=scripts/core/sxmo_common.sh |
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. "$(dirname "$0")/sxmo_common.sh" |
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BACKLIGHT="${BACKLIGHT:-/sys/devices/platform/backlight/backlight/backlight}" |
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if [ ! -e "$BACKLIGHT" ] && [ -e /sys/class/backlight/edp-backlight ]; then |
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BACKLIGHT=/sys/class/backlight/edp-backlight |
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fi |
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[ ! -e "$BACKLIGHT" ] && echo "unable to find backlight device" && exit 1 |
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MAX=$(cat $BACKLIGHT/max_brightness) |
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MIN=2 |
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MINSTEP=1 |
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STEP=$(echo "($MAX - $MIN) / 10" | bc | xargs -ISTP echo -e "$MINSTEP\nSTP" | sort -r | head -n1) |
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setdelta() { |
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VAL="$( |
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xargs -IB echo B "$1" < $BACKLIGHT/brightness | |
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bc | |
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xargs -INUM echo -e "$MIN\nNUM" | sort -n | tail -n1 | |
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xargs -INUM echo -e "$MAX\nNUM" | sort -n | head -n1 |
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)" |
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echo "$VAL" > "$BACKLIGHT/brightness" || exit 1 |
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echo "set brightness to $VAL" |
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dunstify -i 0 -u normal -r 999 "☀ $(cat $BACKLIGHT/brightness)/${MAX}" |
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} |
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up() { |
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setdelta "+${STEP}" |
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} |
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down() { |
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setdelta "-${STEP}" |
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} |
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"$@"
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