arduino/Arduino — pull request #1912 by Lauszus (2014-03-06 16:26:03+00:00)
Title: Enable user to change the I2C clock frequency by calling setClock in the Wire library

See https://github.com/arduino/Arduino/issues/440 and https://groups.google.com/a/arduino.cc/d/topic/developers/1l_E5pCPQM8/discussion.