1 /*
2 * PCM179X ASoC I2C driver
3 *
4 * Copyright (c) Teenage Engineering AB 2016
5 *
6 * Jacob Siverskog <jacob@teenage.engineering>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19 #include <linux/module.h>
20 #include <linux/of.h>
21 #include <linux/i2c.h>
22 #include <linux/regmap.h>
23
24 #include "pcm179x.h"
25
pcm179x_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)26 static int pcm179x_i2c_probe(struct i2c_client *client,
27 const struct i2c_device_id *id)
28 {
29 struct regmap *regmap;
30 int ret;
31
32 regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config);
33 if (IS_ERR(regmap)) {
34 ret = PTR_ERR(regmap);
35 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
36 return ret;
37 }
38
39 return pcm179x_common_init(&client->dev, regmap);
40 }
41
42 static const struct of_device_id pcm179x_of_match[] = {
43 { .compatible = "ti,pcm1792a", },
44 { }
45 };
46 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
47
48 static const struct i2c_device_id pcm179x_i2c_ids[] = {
49 { "pcm179x", 0 },
50 { }
51 };
52 MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
53
54 static struct i2c_driver pcm179x_i2c_driver = {
55 .driver = {
56 .name = "pcm179x",
57 .of_match_table = of_match_ptr(pcm179x_of_match),
58 },
59 .id_table = pcm179x_i2c_ids,
60 .probe = pcm179x_i2c_probe,
61 };
62
63 module_i2c_driver(pcm179x_i2c_driver);
64
65 MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
66 MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
67 MODULE_LICENSE("GPL");
68
