From: Hans Verkuil <hans.verk...@cisco.com>
Add media controller support.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/i2c/ov7670.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index 56cfb5c..b0315bb 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -210,6 +210,9 @@ struct ov7670_devtype {
struct ov7670_format_struct; /* coming later */
struct ov7670_info {
struct v4l2_subdev sd;
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ struct media_pad pad;
+#endif
struct v4l2_ctrl_handler hdl;
struct {
/* gain cluster */
@@ -1641,6 +1644,16 @@ static int ov7670_probe(struct i2c_client *client,
v4l2_ctrl_handler_free(&info->hdl);
return err;
}
+
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ 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) {
+ v4l2_ctrl_handler_free(&info->hdl);
+ return ret;
+ }
+#endif
/*
* We have checked empirically that hw allows to read back the gain
* value chosen by auto gain but that's not the case for auto exposure.
@@ -1662,6 +1675,9 @@ static int ov7670_remove(struct i2c_client *client)
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&info->hdl);
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ media_entity_cleanup(&sd->entity);
+#endif
return 0;
}
--
2.10.2
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