Commits
![Joshua Clayton](https://secure.gravatar.com/avatar/fe3e723bda4ce4348e51731245cc6ff7.jpg?s=96&d=mm)
Joshua Clayton committed bae2f647025
rtc: pcf2123: implement read_offset and set_offset pcf2123 has an offset register, which can be used to make minor adjustments to the clock rate to compensate for temperature or a crystal that is not exactly right. Signed-off-by: Joshua Clayton <stillcompiling@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>