On 27-07-20, 05:59, Bard Liao wrote: > The hierarchy of soundwire devices is platform device -> M device -> S > device. A S device is physically attached on the platform device. So the > platform device should be resumed when a S device is resumed. As the > bridge of platform device and S device, we have to implement runtime pm > on M driver. We have set runtime pm ops in M driver already, but still > need to enable runtime pm. Applied, thanks -- ~Vinod