What: /sys/bus/w1/devices/.../w1_master_timeout_usDate: April 2015Contact: Dmitry Khromov <dk@icelogic.net>Description: Bus scanning interval, microseconds component. Some of 1-Wire devices commonly associated with physical access control systems are attached/generate presence for as short as 100 ms - hence the tens-to-hundreds milliseconds scan intervals are required. see Documentation/w1/w1.generic for detailed information.Users: any user space application which wants to know bus scanning interval