Added missing pm_runtime_put_sync in read & write.
Signed-off-by: NRupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Reviewed-by: NSandeep TRIPATHY <sandeep.tripathy@stericsson.com>
Reviewed-by: NPhilippe LANGLAIS <philippe.langlais@stericsson.com>