xref: /openbmc/linux/sound/soc/codecs/cs4271-i2c.c (revision 842ed298)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * CS4271 I2C audio driver
4  *
5  * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
6  */
7 
8 #include <linux/module.h>
9 #include <linux/i2c.h>
10 #include <linux/regmap.h>
11 #include <sound/soc.h>
12 #include "cs4271.h"
13 
14 static int cs4271_i2c_probe(struct i2c_client *client,
15 			     const struct i2c_device_id *id)
16 {
17 	struct regmap_config config;
18 
19 	config = cs4271_regmap_config;
20 	config.reg_bits = 8;
21 	config.val_bits = 8;
22 
23 	return cs4271_probe(&client->dev,
24 			    devm_regmap_init_i2c(client, &config));
25 }
26 
27 static const struct i2c_device_id cs4271_i2c_id[] = {
28 	{ "cs4271", 0 },
29 	{ }
30 };
31 MODULE_DEVICE_TABLE(i2c, cs4271_i2c_id);
32 
33 static struct i2c_driver cs4271_i2c_driver = {
34 	.driver = {
35 		.name = "cs4271",
36 		.of_match_table = of_match_ptr(cs4271_dt_ids),
37 	},
38 	.probe = cs4271_i2c_probe,
39 	.id_table = cs4271_i2c_id,
40 };
41 module_i2c_driver(cs4271_i2c_driver);
42 
43 MODULE_DESCRIPTION("ASoC CS4271 I2C Driver");
44 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
45 MODULE_LICENSE("GPL");
46