Hi! > +struct ec_input_response { > + u8 reserved; > + u8 msg_counter:2; > + u8 count:2; > + u8 type:4; > + u8 data[3]; > +} __packed; Bitfields, and relying on them being in the right place for communication with hardware. We don't usually do that, and there may be reasons why we don't. I'm pretty sure it breaks on big endian... and Im not sure if there's something else. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html