xref: /openbmc/linux/sound/soc/codecs/ad193x-i2c.c (revision cfbb9be8)
1 /*
2  * AD1936/AD1937 audio driver
3  *
4  * Copyright 2014 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2.
7  */
8 
9 #include <linux/module.h>
10 #include <linux/i2c.h>
11 #include <linux/regmap.h>
12 
13 #include <sound/soc.h>
14 
15 #include "ad193x.h"
16 
17 static const struct i2c_device_id ad193x_id[] = {
18 	{ "ad1936", AD193X },
19 	{ "ad1937", AD193X },
20 	{ }
21 };
22 MODULE_DEVICE_TABLE(i2c, ad193x_id);
23 
24 static int ad193x_i2c_probe(struct i2c_client *client,
25 			    const struct i2c_device_id *id)
26 {
27 	struct regmap_config config;
28 
29 	config = ad193x_regmap_config;
30 	config.val_bits = 8;
31 	config.reg_bits = 8;
32 
33 	return ad193x_probe(&client->dev,
34 			    devm_regmap_init_i2c(client, &config),
35 			    (enum ad193x_type)id->driver_data);
36 }
37 
38 static int ad193x_i2c_remove(struct i2c_client *client)
39 {
40 	snd_soc_unregister_codec(&client->dev);
41 	return 0;
42 }
43 
44 static struct i2c_driver ad193x_i2c_driver = {
45 	.driver = {
46 		.name = "ad193x",
47 	},
48 	.probe    = ad193x_i2c_probe,
49 	.remove   = ad193x_i2c_remove,
50 	.id_table = ad193x_id,
51 };
52 module_i2c_driver(ad193x_i2c_driver);
53 
54 MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver");
55 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
56 MODULE_LICENSE("GPL");
57