[PATCHv4 4/4] pwm: imx: support output polarity inversion

[Shawn Guo]

On Wed, Aug 20, 2014 at 08:55:56AM +0200, Lothar Waßmann wrote:
> The i.MX pwm unit on i.MX27 and newer SoCs provides a configurable
> output polarity. This patch adds support to utilize this feature where
> available.
> 
> Signed-off-by: Lothar Waßmann <LW at KARO-electronics.de>

Acked-by: Shawn Guo <shawn.guo at linaro.org>