from ksm :
Code:
20:16 root@koboH2O2:/mnt/onboard/.adds/koreader> echo 0 > /sys/class/backlight/lm3630a_led/brightness
sh: write error: No such device or address
20:16 root@koboH2O2:/mnt/onboard/.adds/koreader> lsof | grep nickel
20:17 root@koboH2O2:/mnt/onboard/.adds/koreader>
From nickel :