The default implementation matches exactly our custom one so we can switch
to using the default one. As a bonus the driver will take care of setting
GPIO line for us.
Tested-by: NAaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>