1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// SPDX-License-Identifier: GPL-2.0
//
// cs35l45-i2c.c -- CS35L45 I2C driver
//
// Copyright 2019-2022 Cirrus Logic, Inc.
//
// Author: James Schulman <james.schulman@cirrus.com>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include "cs35l45.h"
static int cs35l45_i2c_probe(struct i2c_client *client)
{
struct cs35l45_private *cs35l45;
struct device *dev = &client->dev;
int ret;
cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL);
if (!cs35l45)
return -ENOMEM;
i2c_set_clientdata(client, cs35l45);
cs35l45->regmap = devm_regmap_init_i2c(client, &cs35l45_i2c_regmap);
if (IS_ERR(cs35l45->regmap)) {
ret = PTR_ERR(cs35l45->regmap);
dev_err(dev, "Failed to allocate register map: %d\n", ret);
return ret;
}
cs35l45->dev = dev;
cs35l45->irq = client->irq;
cs35l45->bus_type = CONTROL_BUS_I2C;
cs35l45->i2c_addr = client->addr;
return cs35l45_probe(cs35l45);
}
static void cs35l45_i2c_remove(struct i2c_client *client)
{
struct cs35l45_private *cs35l45 = i2c_get_clientdata(client);
cs35l45_remove(cs35l45);
}
static const struct of_device_id cs35l45_of_match[] = {
{ .compatible = "cirrus,cs35l45" },
{},
};
MODULE_DEVICE_TABLE(of, cs35l45_of_match);
static const struct i2c_device_id cs35l45_id_i2c[] = {
{ "cs35l45" },
{}
};
MODULE_DEVICE_TABLE(i2c, cs35l45_id_i2c);
static struct i2c_driver cs35l45_i2c_driver = {
.driver = {
.name = "cs35l45",
.of_match_table = cs35l45_of_match,
.pm = pm_ptr(&cs35l45_pm_ops),
},
.id_table = cs35l45_id_i2c,
.probe = cs35l45_i2c_probe,
.remove = cs35l45_i2c_remove,
};
module_i2c_driver(cs35l45_i2c_driver);
MODULE_DESCRIPTION("I2C CS35L45 driver");
MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_CS35L45);
|
