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
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* wm8731.c -- WM8731 ALSA SoC Audio driver
*
* Copyright 2005 Openedhand Ltd.
* Copyright 2006-12 Wolfson Microelectronics, plc
*
* Author: Richard Purdie <richard@openedhand.com>
*
* Based on wm8753.c by Liam Girdwood
*/
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include "wm8731.h"
static const struct of_device_id wm8731_of_match[] = {
{ .compatible = "wlf,wm8731", },
{ }
};
MODULE_DEVICE_TABLE(of, wm8731_of_match);
static int wm8731_spi_probe(struct spi_device *spi)
{
struct wm8731_priv *wm8731;
int ret;
wm8731 = devm_kzalloc(&spi->dev, sizeof(*wm8731), GFP_KERNEL);
if (wm8731 == NULL)
return -ENOMEM;
spi_set_drvdata(spi, wm8731);
wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap);
if (IS_ERR(wm8731->regmap)) {
ret = PTR_ERR(wm8731->regmap);
dev_err(&spi->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
return wm8731_init(&spi->dev, wm8731);
}
static struct spi_driver wm8731_spi_driver = {
.driver = {
.name = "wm8731",
.of_match_table = wm8731_of_match,
},
.probe = wm8731_spi_probe,
};
module_spi_driver(wm8731_spi_driver);
MODULE_DESCRIPTION("ASoC WM8731 driver - SPI");
MODULE_AUTHOR("Richard Purdie");
MODULE_LICENSE("GPL");
|
