Release 4.7 drivers/input/misc/ad714x-i2c.c
  
  
/*
 * AD714X CapTouch Programmable Controller driver (I2C bus)
 *
 * Copyright 2009-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#include <linux/input.h>	/* BUS_I2C */
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/pm.h>
#include "ad714x.h"
static int __maybe_unused ad714x_i2c_suspend(struct device *dev)
{
	return ad714x_disable(i2c_get_clientdata(to_i2c_client(dev)));
}
Contributors
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| bryan wu | bryan wu | 17 | 70.83% | 1 | 33.33% | 
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| jingoo han | jingoo han | 1 | 4.17% | 1 | 33.33% | 
 | Total | 24 | 100.00% | 3 | 100.00% | 
static int __maybe_unused ad714x_i2c_resume(struct device *dev)
{
	return ad714x_enable(i2c_get_clientdata(to_i2c_client(dev)));
}
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| bryan wu | bryan wu | 17 | 70.83% | 1 | 33.33% | 
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 | Total | 24 | 100.00% | 3 | 100.00% | 
static SIMPLE_DEV_PM_OPS(ad714x_i2c_pm, ad714x_i2c_suspend, ad714x_i2c_resume);
static int ad714x_i2c_write(struct ad714x_chip *chip,
			    unsigned short reg, unsigned short data)
{
	struct i2c_client *client = to_i2c_client(chip->dev);
	int error;
	chip->xfer_buf[0] = cpu_to_be16(reg);
	chip->xfer_buf[1] = cpu_to_be16(data);
	error = i2c_master_send(client, (u8 *)chip->xfer_buf,
				2 * sizeof(*chip->xfer_buf));
	if (unlikely(error < 0)) {
		dev_err(&client->dev, "I2C write error: %d\n", error);
		return error;
	}
	return 0;
}
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| bryan wu | bryan wu | 59 | 52.68% | 1 | 33.33% | 
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| michael hennerich | michael hennerich | 11 | 9.82% | 1 | 33.33% | 
 | Total | 112 | 100.00% | 3 | 100.00% | 
static int ad714x_i2c_read(struct ad714x_chip *chip,
			   unsigned short reg, unsigned short *data, size_t len)
{
	struct i2c_client *client = to_i2c_client(chip->dev);
	int i;
	int error;
	chip->xfer_buf[0] = cpu_to_be16(reg);
	error = i2c_master_send(client, (u8 *)chip->xfer_buf,
				sizeof(*chip->xfer_buf));
	if (error >= 0)
		error = i2c_master_recv(client, (u8 *)chip->xfer_buf,
					len * sizeof(*chip->xfer_buf));
	if (unlikely(error < 0)) {
		dev_err(&client->dev, "I2C read error: %d\n", error);
		return error;
	}
	for (i = 0; i < len; i++)
		data[i] = be16_to_cpu(chip->xfer_buf[i]);
	return 0;
}
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| michael hennerich | michael hennerich | 37 | 22.56% | 2 | 50.00% | 
 | Total | 164 | 100.00% | 4 | 100.00% | 
static int ad714x_i2c_probe(struct i2c_client *client,
					const struct i2c_device_id *id)
{
	struct ad714x_chip *chip;
	chip = ad714x_probe(&client->dev, BUS_I2C, client->irq,
			    ad714x_i2c_read, ad714x_i2c_write);
	if (IS_ERR(chip))
		return PTR_ERR(chip);
	i2c_set_clientdata(client, chip);
	return 0;
}
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| bryan wu | bryan wu | 65 | 100.00% | 1 | 100.00% | 
 | Total | 65 | 100.00% | 1 | 100.00% | 
static const struct i2c_device_id ad714x_id[] = {
	{ "ad7142_captouch", 0 },
	{ "ad7143_captouch", 0 },
	{ "ad7147_captouch", 0 },
	{ "ad7147a_captouch", 0 },
	{ "ad7148_captouch", 0 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, ad714x_id);
static struct i2c_driver ad714x_i2c_driver = {
	.driver = {
		.name = "ad714x_captouch",
		.pm   = &ad714x_i2c_pm,
        },
	.probe    = ad714x_i2c_probe,
	.id_table = ad714x_id,
};
module_i2c_driver(ad714x_i2c_driver);
MODULE_DESCRIPTION("Analog Devices AD714X Capacitance Touch Sensor I2C Bus Driver");
MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
MODULE_LICENSE("GPL");
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| bryan wu | bryan wu | 333 | 64.04% | 1 | 12.50% | 
| dmitry torokhov | dmitry torokhov | 86 | 16.54% | 1 | 12.50% | 
| michael hennerich | michael hennerich | 49 | 9.42% | 2 | 25.00% | 
| mark brown | mark brown | 31 | 5.96% | 1 | 12.50% | 
| barry song | barry song | 18 | 3.46% | 1 | 12.50% | 
| jingoo han | jingoo han | 2 | 0.38% | 1 | 12.50% | 
| axel lin | axel lin | 1 | 0.19% | 1 | 12.50% | 
 | Total | 520 | 100.00% | 8 | 100.00% | 
  
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