As we know, battery charing is done by proprietary BME. There exists bash script http://enivax.net/jk/n900/charge21.sh.txt too.

I found kernel driver bq2415x_charger which may support N900 HW charging chip bq24150. Have anybody some information about this driver?

http://gitorious.org/android-n900/ke...8f6d248929d26c