Thread (4 messages) flat view 4 messages, 1 author, 2017-09-14
STALE3278d

Revision v2 of 6 in this series.

Revisions (6)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]
  4. v4 [diff vs current]
  5. v5 [diff vs current]
  6. v6 [diff vs current]

[PATCH v2 1/3] media: ov7670: Add entity pads initialization

From: Wenyou Yang <hidden>
Date: 2017-09-14 05:12:51
Also in: linux-media, lkml
Subsystem: media input infrastructure (v4l/dvb), omnivision ov7670 sensor driver, the rest, v4l2 camera sensor drivers · Maintainers: Mauro Carvalho Chehab, Linus Torvalds, Sakari Ailus

Add the media entity pads initialization.

Signed-off-by: Wenyou Yang <redacted>
---

Changes in v2: None

 drivers/media/i2c/ov7670.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index e88549f0e704..5c8460ee65c3 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -213,6 +213,7 @@ struct ov7670_devtype {
 struct ov7670_format_struct;  /* coming later */
 struct ov7670_info {
 	struct v4l2_subdev sd;
+	struct media_pad pad;
 	struct v4l2_ctrl_handler hdl;
 	struct {
 		/* gain cluster */
@@ -1688,14 +1689,23 @@ static int ov7670_probe(struct i2c_client *client,
 	v4l2_ctrl_auto_cluster(2, &info->auto_exposure,
 			       V4L2_EXPOSURE_MANUAL, false);
 	v4l2_ctrl_cluster(2, &info->saturation);
+
+	info->pad.flags = MEDIA_PAD_FL_SOURCE;
+	info->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+	ret = media_entity_pads_init(&info->sd.entity, 1, &info->pad);
+	if (ret < 0)
+		goto hdl_free;
+
 	v4l2_ctrl_handler_setup(&info->hdl);
 
 	ret = v4l2_async_register_subdev(&info->sd);
 	if (ret < 0)
-		goto hdl_free;
+		goto entity_cleanup;
 
 	return 0;
 
+entity_cleanup:
+	media_entity_cleanup(&info->sd.entity);
 hdl_free:
 	v4l2_ctrl_handler_free(&info->hdl);
 clk_disable:
@@ -1712,6 +1722,7 @@ static int ov7670_remove(struct i2c_client *client)
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(&info->hdl);
 	clk_disable_unprepare(info->clk);
+	media_entity_cleanup(&info->sd.entity);
 	return 0;
 }
 
-- 
2.13.0
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