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Commit ed29f894 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
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[media] media: i2c: ths8200: support asynchronous probing 



This patch supports both synchronous and asynchronous
ths8200 subdevice probing.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 9082a7c6

drivers/media/i2c/ths8200.c

+8 −1
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/module.h>

#include <linux/v4l2-dv-timings.h>



#include <media/v4l2-async.h>

#include <media/v4l2-device.h>



#include "ths8200_regs.h"
@@ -500,6 +501,7 @@ static int ths8200_probe(struct i2c_client *client, 
{

	struct ths8200_state *state;

	struct v4l2_subdev *sd;

	int error;



	/* Check if the adapter supports the needed features */

	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@@ -517,6 +519,10 @@ static int ths8200_probe(struct i2c_client *client, 


	ths8200_core_init(sd);



	error = v4l2_async_register_subdev(&state->sd);

	if (error)

		return error;



	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,

		  client->addr << 1, client->adapter->name);
@@ -526,12 +532,13 @@ static int ths8200_probe(struct i2c_client *client, 
static int ths8200_remove(struct i2c_client *client)

{

	struct v4l2_subdev *sd = i2c_get_clientdata(client);

	struct ths8200_state *decoder = to_state(sd);



	v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name,

		 client->addr << 1, client->adapter->name);



	ths8200_s_power(sd, false);



	v4l2_async_unregister_subdev(&decoder->sd);

	v4l2_device_unregister_subdev(sd);



	return 0;