To have more resolution in actuator position table, code_per_step
is scaled up in userspace. In kernel, when step position table is
created, the code in the table is scaled down by the same scale
factor(qvalue) so that correct value can be seen by actuator HW.
Change-Id: I7921b008263e597f94b31fd25afaffce12350208
Signed-off-by: Xu Han <hanxu@codeaurora.org>