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
77
78
79
80
81
82
83
84
85
86
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for the PCM512x CODECs
*
* Author: Mark Brown <broonie@kernel.org>
* Copyright 2014 Linaro Ltd
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/acpi.h>
#include "pcm512x.h"
static int pcm512x_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct regmap *regmap;
struct regmap_config config = pcm512x_regmap;
/* msb needs to be set to enable auto-increment of addresses */
config.read_flag_mask = 0x80;
config.write_flag_mask = 0x80;
regmap = devm_regmap_init_i2c(i2c, &config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return pcm512x_probe(&i2c->dev, regmap);
}
static int pcm512x_i2c_remove(struct i2c_client *i2c)
{
pcm512x_remove(&i2c->dev);
return 0;
}
static const struct i2c_device_id pcm512x_i2c_id[] = {
{ "pcm5121", },
{ "pcm5122", },
{ "pcm5141", },
{ "pcm5142", },
{ }
};
MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
#if defined(CONFIG_OF)
static const struct of_device_id pcm512x_of_match[] = {
{ .compatible = "ti,pcm5121", },
{ .compatible = "ti,pcm5122", },
{ .compatible = "ti,pcm5141", },
{ .compatible = "ti,pcm5142", },
{ }
};
MODULE_DEVICE_TABLE(of, pcm512x_of_match);
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id pcm512x_acpi_match[] = {
{ "104C5121", 0 },
{ "104C5122", 0 },
{ "104C5141", 0 },
{ "104C5142", 0 },
{ },
};
MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
#endif
static struct i2c_driver pcm512x_i2c_driver = {
.probe = pcm512x_i2c_probe,
.remove = pcm512x_i2c_remove,
.id_table = pcm512x_i2c_id,
.driver = {
.name = "pcm512x",
.of_match_table = of_match_ptr(pcm512x_of_match),
.acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
.pm = &pcm512x_pm_ops,
},
};
module_i2c_driver(pcm512x_i2c_driver);
MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
MODULE_LICENSE("GPL v2");
|
