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[media] v4l2-async: call registered_async after subdev registration

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V4L2 sub-devices might need to do initialization that depends on being
registered with a V4L2 device. As an example, sub-devices with Media
Controller support may need to register entities and create pad links.

Execute the registered_async callback after the sub-device has been
registered with the V4L2 device so the driver can do any needed init.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Javier Martinez Canillas 2016-02-05 17:09:52 -02:00 committed by Mauro Carvalho Chehab
parent 798bd945f0
commit 7c3e1ec1f7
1 changed files with 7 additions and 0 deletions
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7
drivers/media/v4l2-core/v4l2-async.c
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@ -119,6 +119,13 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier,
return ret;
}
ret = v4l2_subdev_call(sd, core, registered_async);
if (ret < 0) {
if (notifier->unbind)
notifier->unbind(notifier, sd, asd);
return ret;
}
if (list_empty(&notifier->waiting) && notifier->complete)
return notifier->complete(notifier);