Re: notifier is skipped in some situations

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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



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