tree 0e7457c4754ba3302c98f5d5f41c44a1f349072d
parent d0ce7925d77c56c142f64b2c6ae55f0020c06ba8
author Brandon Kim <brandonkim@google.com> 1560797584 -0700
committer Brandon Kim <brandonkim@google.com> 1560878865 -0700

sensor: Implement RAII object for GPIO unlock and lock

There is a bug where GPIO lock may not be called if there is an
exception after GPIO unlock. Adding an RAII object for GPIO lock
and replacing the current usage of gpioUnlock, gpioLock in
sensor.cpp and mainloop.cpp.

Bug: openbmc/phosphor-hwmon#11
Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: Ica094e716a6ff9dc99165651f83fc496d5ed5a17