tree 83f83bb9def2389df899cb17b93f4698eeecca38
parent ff5f339c6a33e8c37ae2d7b4c3059b4c2604a748
author Brandon Wyman <bjwyman@gmail.com> 1502233487 -0500
committer Brandon Wyman <bjwyman@gmail.com> 1505320780 -0500

Add read() function to PMBus

Adding a read() function to PMBus to read one or more bytes of data. A
number of errors will require data from the 2 byte STATUS_WORD command,
1 byte from STATUS_INPUT and various other commands, along with later
functions that will require even more bytes of data.

Change-Id: I0433b36254565a124229a5bb884fbebd6ec536fc
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>