Call the "post_register()" subdev operation on a just registered
subdevice, immediately after having called the 'bound' notifier
operation on the parent.
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
Suggested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-async.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index 0836e01e59ca..fcc32ec15832 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -293,6 +293,16 @@ static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
return ret;
}
+ if (!(notifier->flags & V4L2_ASYNC_NOTIFIER_DEFER_POST_REGISTER) &&
+ sd->ops->core && sd->ops->core->post_register) {
+ ret = sd->ops->core->post_register(sd);
+ if (ret) {
+ v4l2_async_notifier_call_unbind(notifier, sd, sd->asd);
+ v4l2_device_unregister_subdev(sd);
+ return ret;
+ }
+ }
+
/* Remove from the waiting list */
list_del(&asd->list);
sd->asd = asd;
--
2.32.0
