Hi Jacob, On Fri, Nov 24, 2017 at 09:00:14AM +0800, Jacob Chen wrote: > Hi Sakari, > > I encountered a problem when using async sub-notifiers. > > It's like that: > There are two notifiers, and they are waiting for one subdev. > When this subdev is probing, only one notifier is completed and > the other one is skipped. Do you have a graph that has two master drivers (that register the notifier) and both are connected to the same sub-device? Could you provide exact graph you have? > > I found that in v15 of patch "v4l: async: Allow binding notifiers to > sub-devices", "v4l2_async_notifier_complete" is replaced by > v4l2_async_notifier_call_complete, which make it only complete one > notifier. > > Why is it changed? Can this be fixed? -- Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxx