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[REVIEW,v3,06/12] smiapp: Register async subdev

Message ID 1418083460-28556-7-git-send-email-sakari.ailus@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Sakari Ailus Dec. 9, 2014, 12:04 a.m. UTC 
Register and unregister async sub-device for DT.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
---
 drivers/media/i2c/smiapp/smiapp-core.c |   17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 92a7840..9852c5f 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2942,8 +2942,21 @@  static int smiapp_probe(struct i2c_client *client,
 	sensor->src->sensor = sensor;
 
 	sensor->src->pads[0].flags = MEDIA_PAD_FL_SOURCE;
-	return media_entity_init(&sensor->src->sd.entity, 2,
+	rval = media_entity_init(&sensor->src->sd.entity, 2,
 				 sensor->src->pads, 0);
+	if (rval < 0)
+		return rval;
+
+	rval = v4l2_async_register_subdev(&sensor->src->sd);
+	if (rval < 0)
+		goto out_media_entity_cleanup;
+
+	return 0;
+
+out_media_entity_cleanup:
+	media_entity_cleanup(&sensor->src->sd.entity);
+
+	return rval;
 }
 
 static int smiapp_remove(struct i2c_client *client)
@@ -2952,6 +2965,8 @@  static int smiapp_remove(struct i2c_client *client)
 	struct smiapp_sensor *sensor = to_smiapp_sensor(subdev);
 	unsigned int i;
 
+	v4l2_async_unregister_subdev(subdev);
+
 	if (sensor->power_count) {
 		if (gpio_is_valid(sensor->platform_data->xshutdown))
 			gpio_set_value(sensor->platform_data->xshutdown, 0);