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Store brightness settings for Raspberry Original 7" Touchdisplay

Hello,

when starting hifiberryos, the connected display is too bright for my eyes.

With "echo 100 > /sys/class/backlight/rpi_backlight/brightness" i can fix this, but i want to have this setting stored so i don't need to type this everytime when starting hifiberryos.

Adding this to config.txt does not work.

Couldn't find any solution on Google.

Best regards

Stephan

 

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