Release 4.11 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
Person | Tokens | Prop | Commits | CommitProp |
Bryan Wu | 17 | 70.83% | 1 | 33.33% |
Mark Brown | 6 | 25.00% | 1 | 33.33% |
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)));
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Bryan Wu | 17 | 70.83% | 1 | 33.33% |
Mark Brown | 6 | 25.00% | 1 | 33.33% |
Jingoo Han | 1 | 4.17% | 1 | 33.33% |
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;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Bryan Wu | 59 | 52.68% | 1 | 33.33% |
Dmitry Torokhov | 42 | 37.50% | 1 | 33.33% |
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;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Bryan Wu | 83 | 50.61% | 1 | 25.00% |
Dmitry Torokhov | 44 | 26.83% | 1 | 25.00% |
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;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
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");
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Bryan Wu | 333 | 64.04% | 1 | 12.50% |
Dmitry Torokhov | 86 | 16.54% | 1 | 12.50% |
Michael Hennerich | 49 | 9.42% | 2 | 25.00% |
Mark Brown | 31 | 5.96% | 1 | 12.50% |
Barry Song | 18 | 3.46% | 1 | 12.50% |
Jingoo Han | 2 | 0.38% | 1 | 12.50% |
Axel Lin | 1 | 0.19% | 1 | 12.50% |
Total | 520 | 100.00% | 8 | 100.00% |
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