2022-03-28 23:53:26 +00:00
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#!/bin/bash
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2022-02-05 14:23:32 +00:00
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# SPDX-License-Identifier: Apache-2.0
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# Copyright (C) 2021-present Fewtarius (https://github.com/fewtarius)
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. /etc/profile
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2022-09-29 20:44:45 +00:00
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BRIGHTNESS_DEV="$(ls /sys/class/backlight)"
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2022-08-31 11:00:57 +00:00
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2022-02-05 14:23:32 +00:00
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### Variables may need to be device specific here.
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BRIGHTNESS=$(get_setting system.brightness)
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if [[ ! "${BRIGHTNESS}" =~ [0-9] ]]
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then
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BRIGHTNESS=${DEVICE_BRIGHTNESS}
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fi
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# Ensure user doesn't get "locked out" with super low brightness
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if [[ "${BRIGHTNESS}" -lt "3" ]]
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then
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BRIGHTNESS=3
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fi
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2022-09-05 10:58:27 +00:00
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2022-09-29 20:44:45 +00:00
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BRIGHTNESS=$(printf "%.0f" ${BRIGHTNESS})
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if [ "$(cat /sys/class/backlight/${BRIGHTNESS_DEV}/max_brightness)" = 255 ]
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then
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printf "%.0f" $(echo "${BRIGHTNESS} * 2.56" | bc) > /sys/class/backlight/${BRIGHTNESS_DEV}/brightness
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else
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printf "%.0f" $(echo "${BRIGHTNESS}") > /sys/class/backlight/${BRIGHTNESS_DEV}/brightness
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fi
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