Hello ! After some source investigations I discovered a harmless mistake: The description of the usb_control_msg(...) function says it returns 0, or less than 0 if an error occured, but the usb_internal_control_msg returns length, which is sometimes >0 (success) or <0 if error.
Thanks Dominik _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel