Created
January 9, 2017 23:27
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AW13 OLED Set Brightness
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| #!/bin/bash | |
| sleep 1 | |
| if [ -f ~/.brightness ] | |
| then | |
| read -r br < ~/.brightness | |
| bri=`echo "${br} * 100" | bc -l | xargs printf "%.0f\n"` | |
| echo $bri | |
| if [ ${bri} -gt 100 ] | |
| then | |
| br=1 | |
| fi | |
| xrandr --output eDP-1 --brightness "${br}" | |
| # If the previous command failed it's because the nvidia | |
| # card is active and it reports different display names | |
| if [ $? -gt 0 ] | |
| then | |
| xrandr --output eDP-1-1 --brightness "${br}" | |
| fi | |
| fi |
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That sounds like setting the brightness value as a percentage. If you want to run the xrandr command directly, the brightness value must be between 0 and 1 (although if you set it to 0 the screen will turn off completely!).