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Commit 6dca6cf0 authored by Javier Martinez Canillas's avatar Javier Martinez Canillas Committed by Mauro Carvalho Chehab
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[media] ov9650: add support for asynchronous probing 



Allow the sub-device to be probed asynchronously so a bridge driver that's
waiting for the device can be notified and its .bound callback executed.

Signed-off-by: default avatarJavier Martinez Canillas <javier@osg.samsung.com>
Tested-by: default avatarH . Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 22511cfa

drivers/media/i2c/ov9650.c

+6 −1
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/videodev2.h>



#include <media/media-entity.h>

#include <media/v4l2-async.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>

#include <media/v4l2-event.h>
@@ -1520,6 +1521,10 @@ static int ov965x_probe(struct i2c_client *client, 
	/* Update exposure time min/max to match frame format */

	ov965x_update_exposure_ctrl(ov965x);



	ret = v4l2_async_register_subdev(sd);

	if (ret < 0)

		goto err_ctrls;



	return 0;

err_ctrls:

	v4l2_ctrl_handler_free(sd->ctrl_handler);
@@ -1532,7 +1537,7 @@ static int ov965x_remove(struct i2c_client *client) 
{

	struct v4l2_subdev *sd = i2c_get_clientdata(client);



	v4l2_device_unregister_subdev(sd);

	v4l2_async_unregister_subdev(sd);

	v4l2_ctrl_handler_free(sd->ctrl_handler);

	media_entity_cleanup(&sd->entity);