K 10
svn:author
V 5
gonzo
K 8
svn:date
V 27
2016-05-12T20:12:45.830018Z
K 7
svn:log
V 228
Add gpiobus_release_pin function to release mapped pin

Add gpiobus_release_pin as a counterpart for gpiobus_map_pin. Without it
it's impossible to properly release pin so if kernel module is reloaded
it can't re-use pins again

END