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Commit ee17608d authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Mauro Carvalho Chehab
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[media] imx074: support asynchronous probing 



Both synchronous and asynchronous imx074 subdevice probing is supported by
this patch.

Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 676d2d4f

drivers/media/i2c/soc_camera/imx074.c

+17 −3
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/module.h>



#include <media/soc_camera.h>

#include <media/v4l2-async.h>

#include <media/v4l2-clk.h>

#include <media/v4l2-subdev.h>
@@ -437,13 +438,24 @@ static int imx074_probe(struct i2c_client *client, 
	priv->fmt	= &imx074_colour_fmts[0];



	priv->clk = v4l2_clk_get(&client->dev, "mclk");

	if (IS_ERR(priv->clk))

		return PTR_ERR(priv->clk);

	if (IS_ERR(priv->clk)) {

		dev_info(&client->dev, "Error %ld getting clock\n", PTR_ERR(priv->clk));

		return -EPROBE_DEFER;

	}



	ret = soc_camera_power_init(&client->dev, ssdd);

	if (ret < 0)

		goto epwrinit;



	ret = imx074_video_probe(client);

	if (ret < 0)

		v4l2_clk_put(priv->clk);

		goto eprobe;



	return v4l2_async_register_subdev(&priv->subdev);



epwrinit:

eprobe:

	v4l2_clk_put(priv->clk);

	return ret;

}
@@ -452,7 +464,9 @@ static int imx074_remove(struct i2c_client *client) 
	struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);

	struct imx074 *priv = to_imx074(client);



	v4l2_async_unregister_subdev(&priv->subdev);

	v4l2_clk_put(priv->clk);



	if (ssdd->free_bus)

		ssdd->free_bus(ssdd);