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Commit 6555cfc5 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
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[media] media: i2c: adv7343: add support for asynchronous probing 



Both synchronous and asynchronous adv7343 subdevice probing is supported by
this patch.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 0fb0f8f5

drivers/media/i2c/adv7343.c

+11 −4
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <linux/uaccess.h>



#include <media/adv7343.h>

#include <media/v4l2-async.h>

#include <media/v4l2-device.h>

#include <media/v4l2-ctrls.h>
@@ -445,16 +446,21 @@ static int adv7343_probe(struct i2c_client *client, 
				       ADV7343_GAIN_DEF);

	state->sd.ctrl_handler = &state->hdl;

	if (state->hdl.error) {

		int err = state->hdl.error;



		v4l2_ctrl_handler_free(&state->hdl);

		return err;

		err = state->hdl.error;

		goto done;

	}

	v4l2_ctrl_handler_setup(&state->hdl);



	err = adv7343_initialize(&state->sd);

	if (err)

		goto done;



	err = v4l2_async_register_subdev(&state->sd);



done:

	if (err < 0)

		v4l2_ctrl_handler_free(&state->hdl);



	return err;

}
@@ -463,6 +469,7 @@ static int adv7343_remove(struct i2c_client *client) 
	struct v4l2_subdev *sd = i2c_get_clientdata(client);

	struct adv7343_state *state = to_state(sd);



	v4l2_async_unregister_subdev(&state->sd);

	v4l2_device_unregister_subdev(sd);

	v4l2_ctrl_handler_free(&state->hdl);