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media: v4l: async: Try more connections

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When an async sub-device is registered, it used to be that the first one
of its connections were matched when found. Continue looking for matches
until a notifier no longer has any.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sakari Ailus
2023-05-11 14:08:42 +02:00
committed by Mauro Carvalho Chehab
parent cb8c9f3153
commit 765f60568f
1 changed files with 2 additions and 2 deletions
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4
drivers/media/v4l2-core/v4l2-async.c
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@@ -789,6 +789,7 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
if (!v4l2_dev)
continue;
again:
asc = v4l2_async_find_match(notifier, sd);
if (!asc)
continue;
@@ -801,13 +802,12 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
if (ret)
goto err_unbind;
goto out_unlock;
goto again;
}
/* None matched, wait for hot-plugging */
list_add(&sd->async_list, &subdev_list);
out_unlock:
mutex_unlock(&list_lock);
return 0;