While the script is working, I’ve got an unwanted side effect.
Up until now a suspend/resume always resulted in the backlight not working anymore.
I ‘fixed’ that with a hackish script:
SYS="/sys/bus/usb/devices/1-4.3"
sudo sh -c "echo 0 > $SYS/authorized"
sudo sh -c "echo 1 > $SYS/authorized"
Up until now this resulted in the keyboard being reset completely, including the firmware.
With this script this does not work anymore, resulting in a keyboard backlight not working after a first suspend/resume cycle. Only a reboot fixes this…
Any idea why this behavior has changed?