root/include/media/v4l2-i2c-drv.h

DEFINITIONS

1. v4l2_i2c_drv_init
2. v4l2_i2c_drv_cleanup

/*
 * v4l2-i2c-drv.h - contains I2C handling code that's identical for
 *                  all V4L2 I2C drivers. Use this header if the
 *                  I2C driver is only used by drivers converted
 *                  to the bus-based I2C API.
 *
 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __V4L2_I2C_DRV_H__
#define __V4L2_I2C_DRV_H__

#include <media/v4l2-common.h>

struct v4l2_i2c_driver_data {
        const char * const name;
        int driverid;
        int (*command)(struct i2c_client *client, unsigned int cmd, void *arg);
        int (*probe)(struct i2c_client *client, const struct i2c_device_id *id);
        int (*remove)(struct i2c_client *client);
        int (*suspend)(struct i2c_client *client, pm_message_t state);
        int (*resume)(struct i2c_client *client);
        int (*legacy_probe)(struct i2c_adapter *adapter);
        int legacy_class;
        const struct i2c_device_id *id_table;
};

static struct v4l2_i2c_driver_data v4l2_i2c_data;
static struct i2c_driver v4l2_i2c_driver;


/* Bus-based I2C implementation for kernels >= 2.6.22 */

static int __init v4l2_i2c_drv_init(void)
{
        v4l2_i2c_driver.driver.name = v4l2_i2c_data.name;
        v4l2_i2c_driver.id = v4l2_i2c_data.driverid;
        v4l2_i2c_driver.command = v4l2_i2c_data.command;
        v4l2_i2c_driver.probe = v4l2_i2c_data.probe;
        v4l2_i2c_driver.remove = v4l2_i2c_data.remove;
        v4l2_i2c_driver.suspend = v4l2_i2c_data.suspend;
        v4l2_i2c_driver.resume = v4l2_i2c_data.resume;
        v4l2_i2c_driver.id_table = v4l2_i2c_data.id_table;
        return i2c_add_driver(&v4l2_i2c_driver);
}


static void __exit v4l2_i2c_drv_cleanup(void)
{
        i2c_del_driver(&v4l2_i2c_driver);
}

module_init(v4l2_i2c_drv_init);
module_exit(v4l2_i2c_drv_cleanup);

#endif /* __V4L2_I2C_DRV_H__ */