linux-imx

/*

 * Arizona-i2c.c  --  Arizona I2C bus interface

 *

 * Copyright 2012 Wolfson Microelectronics plc

 *

 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

​

#include <linux/err.h>

#include <linux/i2c.h>

#include <linux/module.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <linux/regulator/consumer.h>

#include <linux/slab.h>

#include <linux/of.h>

​

#include <linux/mfd/arizona/core.h>

​

#include "arizona.h"

​

static int arizona_i2c_probe(struct i2c_client *i2c,

                 const struct i2c_device_id *id)

{

    struct arizona *arizona;

    const struct regmap_config *regmap_config = NULL;

    unsigned long type;

    int ret;

​

    if (i2c->dev.of_node)

        type = arizona_of_get_type(&i2c->dev);

    else

        type = id->driver_data;

​

    switch (type) {

    case WM5102:

        if (IS_ENABLED(CONFIG_MFD_WM5102))

            regmap_config = &wm5102_i2c_regmap;

        break;

    case WM5110:

    case WM8280:

        if (IS_ENABLED(CONFIG_MFD_WM5110))

            regmap_config = &wm5110_i2c_regmap;

        break;

    case WM8997:

        if (IS_ENABLED(CONFIG_MFD_WM8997))

            regmap_config = &wm8997_i2c_regmap;

        break;

    case WM8998:

    case WM1814:

        if (IS_ENABLED(CONFIG_MFD_WM8998))

            regmap_config = &wm8998_i2c_regmap;

        break;

    default:

        dev_err(&i2c->dev, "Unknown device type %ld\n", type);

        return -EINVAL;

    }

​

    if (!regmap_config) {