On Thu, Apr 05, 2012 at 12:31:44PM +0530, Laxman Dewangan wrote:

> I wanted to provide the settling delay whenever voltage output get
> change as per datasheet. In place of having this delay in the
> driver, I wanted to use implementation of core and for this I need
> to implement set_voltage_sel() not set_voltage().

The correct thing to do here is to make the core able to do this with
set_voltage, which conveniently enough Axel sent a patch for yesterday
that I've not reviwed yet.