xref: /openbmc/linux/sound/soc/codecs/adau1781-i2c.c (revision bc5aa3a0)
1 /*
2  * Driver for ADAU1381/ADAU1781 CODEC
3  *
4  * Copyright 2014 Analog Devices Inc.
5  *  Author: Lars-Peter Clausen <lars@metafoo.de>
6  *
7  * Licensed under the GPL-2.
8  */
9 
10 #include <linux/i2c.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/module.h>
13 #include <linux/regmap.h>
14 #include <sound/soc.h>
15 
16 #include "adau1781.h"
17 
18 static int adau1781_i2c_probe(struct i2c_client *client,
19 	const struct i2c_device_id *id)
20 {
21 	struct regmap_config config;
22 
23 	config = adau1781_regmap_config;
24 	config.val_bits = 8;
25 	config.reg_bits = 16;
26 
27 	return adau1781_probe(&client->dev,
28 		devm_regmap_init_i2c(client, &config),
29 		id->driver_data, NULL);
30 }
31 
32 static int adau1781_i2c_remove(struct i2c_client *client)
33 {
34 	adau17x1_remove(&client->dev);
35 	return 0;
36 }
37 
38 static const struct i2c_device_id adau1781_i2c_ids[] = {
39 	{ "adau1381", ADAU1381 },
40 	{ "adau1781", ADAU1781 },
41 	{ }
42 };
43 MODULE_DEVICE_TABLE(i2c, adau1781_i2c_ids);
44 
45 #if defined(CONFIG_OF)
46 static const struct of_device_id adau1781_i2c_dt_ids[] = {
47 	{ .compatible = "adi,adau1381", },
48 	{ .compatible = "adi,adau1781", },
49 	{ },
50 };
51 MODULE_DEVICE_TABLE(of, adau1781_i2c_dt_ids);
52 #endif
53 
54 static struct i2c_driver adau1781_i2c_driver = {
55 	.driver = {
56 		.name = "adau1781",
57 		.of_match_table = of_match_ptr(adau1781_i2c_dt_ids),
58 	},
59 	.probe = adau1781_i2c_probe,
60 	.remove = adau1781_i2c_remove,
61 	.id_table = adau1781_i2c_ids,
62 };
63 module_i2c_driver(adau1781_i2c_driver);
64 
65 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC I2C driver");
66 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
67 MODULE_LICENSE("GPL");
68