qpnp-vibrator: just return the voltage, not all the pretty stuff

* makes handling it userspace much easier

Change-Id: I6173577a70c2bb89ab8ee4d5079be6457310a00c
What is this
 lzo: properly check for overruns

commit 206a81c upstream.

The lzo decompressor can, if given some really crazy data, possibly
overrun some variable types.  Modify the checking logic to properly
detect overruns before they happen.

Change-Id: I913144cd93ae6520603ed736fc196c2086b7e8fe
Reported-by: "Don A. Bailey" <donb@securitymouse.com>
Tested-by: "Don A. Bailey" <donb@securitymouse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>