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Hey guys,
I have a Lenovo IdeaPad Flex 5 14alc05 and the backlight of my keyboard is permanently off, except when the Laptop starts up so it definitely works.
I have read the related Arch Wiki Article. The device is recognized and the brightness can be read out but it cannot be set from 0 to 1.
If I execute
echo 1 > /sys/class/leds/platform::kbd_backlight/brightness
as root the output of
cat /sys/class/leds/platform::kbd_backlight/brightness
is still 0.
I have tried the tool brightnessctl but it does not work either.
Does someone know why I can execute the first command without getting an error but the change does not take effect?
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