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By default keyboard backlight doesn't work on Sony VAIO on Ubuntu 20.04

After changing the value to 1 at /sys/devices/platform/sony-laptop/kbd_backlight It works. But the value changes to old value after restarting the PC.

Is there a permanent solution to this problem

WinEunuuchs2Unix
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gocen
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1 Answers1

1

This commands solved the problem

sudo modprobe -v sony-laptop

sudo modprobe -v sony-laptop kbd_backlight=1


echo "options sony-laptop kbd_backlight=1" | sudo tee /etc/modprobe.d/sony-laptop.conf


sudo reboot
gocen
  • 21