on a related note: which one is the right, now? Linux debian-gta02 2.6.29-20090702.gitd1c828aa #1 PREEMPT Fri Jul 24 22:35:01 UTC 2009 armv4tl GNU/Linux /sys/class/i2c-adapter/i2c-0/0-0073/pcf50633-mbc/usb_curlim or /sys/class/power_supply/ac/device/usb_curlim both show different values.