61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
/*
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* Copyright (C) 2010 Michael Grzeschik <mgr@pengutronix.de>
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*
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* This file is released under the GPLv2
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*
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*/
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#include <common.h>
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#include <init.h>
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#include <driver.h>
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#include <xfuncs.h>
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#include <errno.h>
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#include <i2c/i2c.h>
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#include <mfd/twl4030.h>
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#define DRIVERNAME "twl4030"
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#define to_twl4030(a) container_of(a, struct twl4030, cdev)
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static struct twl4030 *twl_dev;
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struct twl4030 *twl4030_get(void)
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{
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if (!twl_dev)
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return NULL;
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return twl_dev;
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}
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EXPORT_SYMBOL(twl4030_get);
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static int twl_probe(struct device_d *dev)
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{
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if (twl_dev)
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return -EBUSY;
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twl_dev = xzalloc(sizeof(struct twl4030));
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twl_dev->core.cdev.name = DRIVERNAME;
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twl_dev->core.client = to_i2c_client(dev);
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twl_dev->core.cdev.size = 1024;
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twl_dev->core.cdev.dev = dev;
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twl_dev->core.cdev.ops = &twl_fops;
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devfs_create(&(twl_dev->core.cdev));
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return 0;
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}
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static struct driver_d twl_driver = {
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.name = DRIVERNAME,
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.probe = twl_probe,
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};
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static int twl_init(void)
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{
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i2c_driver_register(&twl_driver);
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return 0;
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}
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device_initcall(twl_init);
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