From 4c5211a100399c3823563193dd881dcb3b7d24fc Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 17 Jul 2015 11:02:53 -0300
Subject: [PATCH] [media] tc358743: register v4l2 asynchronous subdevice
Add support for registering the sensor subdevice using the v4l2-async API.
Signed-off-by: Philipp Zabel
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/i2c/tc358743.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 4e8811c3e771..7278435048ed 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1710,6 +1710,16 @@ static int tc358743_probe(struct i2c_client *client,
goto err_hdl;
}
+ state->pad.flags = MEDIA_PAD_FL_SOURCE;
+ err = media_entity_init(&sd->entity, 1, &state->pad, 0);
+ if (err < 0)
+ goto err_hdl;
+
+ sd->dev = &client->dev;
+ err = v4l2_async_register_subdev(sd);
+ if (err < 0)
+ goto err_hdl;
+
mutex_init(&state->confctl_mutex);
INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug,
@@ -1740,6 +1750,7 @@ err_work_queues:
destroy_workqueue(state->work_queues);
mutex_destroy(&state->confctl_mutex);
err_hdl:
+ media_entity_cleanup(&sd->entity);
v4l2_ctrl_handler_free(&state->hdl);
return err;
}
@@ -1751,8 +1762,10 @@ static int tc358743_remove(struct i2c_client *client)
cancel_delayed_work(&state->delayed_work_enable_hotplug);
destroy_workqueue(state->work_queues);
+ v4l2_async_unregister_subdev(sd);
v4l2_device_unregister_subdev(sd);
mutex_destroy(&state->confctl_mutex);
+ media_entity_cleanup(&sd->entity);
v4l2_ctrl_handler_free(&state->hdl);
return 0;
--
2.20.1