On Tue, 16 Oct 2018, Mayuresh Kulkarni wrote: > > How about instead having a mechanism whereby your usrspace driver can > > tell when the device does a remote wakeup? At that point it could > > submit an URB via usbfs and receive the async notification. > > > > Alan Stern > > Unfortunately, that is not possible in our use-case. It is the composite USB device that needs to detect an activity and convey it to host for taking appropriate action. Sorry, I don't understand. Isn't that exactly the same as what I wrote above? Alan Stern > But since the activity depends on end-user, it can happen at anytime. We do not want to keep the link active, just to detect this, which is not good from battery life point of view.
