15 lines
565 B
Bash
Executable File
15 lines
565 B
Bash
Executable File
#!/bin/bash
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intelmaxbrightness=`cat /sys/class/backlight/intel_backlight/max_brightness`
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acpimaxbrightness=`cat /sys/class/backlight/acpi_video0/max_brightness`
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scale=`expr $intelmaxbrightness / $acpimaxbrightness`
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acpibrightness=`cat /sys/class/backlight/acpi_video0/brightness`
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newintelbrightness=`expr $acpibrightness \* $scale`
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curintelbrightness=`cat /sys/class/backlight/intel_backlight/actual_brightness`
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if [ "$newintelbrightness" -ne "$curintelbrightness" ]; then
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echo $newintelbrightness > /sys/class/backlight/intel_backlight/brightness
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fi
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exit 0
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