[media] adv7604: Add support for asynchronous probing
Register the device with the v4l2 asynchronous probing framework to
support asynchronous instantiation systems such as DT.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 338baa4..7358853 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -2333,6 +2333,11 @@
goto err_entity;
v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
client->addr << 1, client->adapter->name);
+
+ err = v4l2_async_register_subdev(sd);
+ if (err)
+ goto err_entity;
+
return 0;
err_entity:
@@ -2356,6 +2361,7 @@
cancel_delayed_work(&state->delayed_work_enable_hotplug);
destroy_workqueue(state->work_queues);
+ v4l2_async_unregister_subdev(sd);
v4l2_device_unregister_subdev(sd);
media_entity_cleanup(&sd->entity);
adv7604_unregister_clients(to_state(sd));