xref: /openbmc/linux/sound/soc/codecs/adau1977-i2c.c (revision e9b7b8b3)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * ADAU1977/ADAU1978/ADAU1979 driver
4  *
5  * Copyright 2014 Analog Devices Inc.
6  *  Author: Lars-Peter Clausen <lars@metafoo.de>
7  */
8 
9 #include <linux/i2c.h>
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <sound/soc.h>
14 
15 #include "adau1977.h"
16 
17 static const struct i2c_device_id adau1977_i2c_ids[];
18 
19 static int adau1977_i2c_probe(struct i2c_client *client)
20 {
21 	struct regmap_config config;
22 	const struct i2c_device_id *id = i2c_match_id(adau1977_i2c_ids, client);
23 
24 	config = adau1977_regmap_config;
25 	config.val_bits = 8;
26 	config.reg_bits = 8;
27 
28 	return adau1977_probe(&client->dev,
29 		devm_regmap_init_i2c(client, &config),
30 		id->driver_data, NULL);
31 }
32 
33 static const struct i2c_device_id adau1977_i2c_ids[] = {
34 	{ "adau1977", ADAU1977 },
35 	{ "adau1978", ADAU1978 },
36 	{ "adau1979", ADAU1978 },
37 	{ }
38 };
39 MODULE_DEVICE_TABLE(i2c, adau1977_i2c_ids);
40 
41 static struct i2c_driver adau1977_i2c_driver = {
42 	.driver = {
43 		.name = "adau1977",
44 	},
45 	.probe = adau1977_i2c_probe,
46 	.id_table = adau1977_i2c_ids,
47 };
48 module_i2c_driver(adau1977_i2c_driver);
49 
50 MODULE_DESCRIPTION("ASoC ADAU1977/ADAU1978/ADAU1979 driver");
51 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
52 MODULE_LICENSE("GPL");
53