linux-imx

/*

 * Base driver for Analog Devices ADP5520/ADP5501 MFD PMICs

 * LCD Backlight: drivers/video/backlight/adp5520_bl

 * LEDs     : drivers/led/leds-adp5520

 * GPIO     : drivers/gpio/adp5520-gpio (ADP5520 only)

 * Keys     : drivers/input/keyboard/adp5520-keys (ADP5520 only)

 *

 * Copyright 2009 Analog Devices Inc.

 *

 * Derived from da903x:

 * Copyright (C) 2008 Compulab, Ltd.

 *  Mike Rapoport <mike@compulab.co.il>

 *

 * Copyright (C) 2006-2008 Marvell International Ltd.

 *  Eric Miao <eric.miao@marvell.com>

 *

 * Licensed under the GPL-2 or later.

 */

​

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/slab.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/err.h>

#include <linux/i2c.h>

​

#include <linux/mfd/adp5520.h>

​

struct adp5520_chip {

    adp5520_remove_subdevs(chip);

​

out_free_irq:

    if (chip->irq)

        free_irq(chip->irq, chip);

​

    return ret;

}

​

#ifdef CONFIG_PM_SLEEP

static int adp5520_suspend(struct device *dev)

{

    struct i2c_client *client = to_i2c_client(dev);

    struct adp5520_chip *chip = dev_get_drvdata(&client->dev);

​

    adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);

    /* All other bits are W1C */

    chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;

    adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);

#endif

​

static SIMPLE_DEV_PM_OPS(adp5520_pm, adp5520_suspend, adp5520_resume);

​

static const struct i2c_device_id adp5520_id[] = {

    { "pmic-adp5520", ID_ADP5520 },

    { "pmic-adp5501", ID_ADP5501 },

    { }

};

​

static struct i2c_driver adp5520_driver = {

    .driver = {

    },

    .probe      = adp5520_probe,

    .id_table   = adp5520_id,

};