K 10 svn:author V 3 ian K 8 svn:date V 27 2016-05-26T15:45:36.683284Z K 7 svn:log V 219 Rename gpiobus_map_pin() to gpiobus_acquire_pin(), to better reflect the fact that the caller is requesting exclusive use of the pin, and also to better match the inverse operation which is named gpiobus_release_pin(). END