blob: dbb8f969274c0db97412591ad33a98d65e249db1 [file] [log] [blame]
Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001// SPDX-License-Identifier: GPL-2.0-only
Max Filippovb3fc5722014-03-06 14:04:41 +04002/*
3 * ALSA SoC TLV320AIC23 codec driver I2C interface
4 *
5 * Author: Arun KS, <arunks@mistralsolutions.com>
6 * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
7 *
8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
Max Filippovb3fc5722014-03-06 14:04:41 +04009 */
10
11#include <linux/i2c.h>
12#include <linux/module.h>
Sachin Kamat0faabc42014-04-04 11:29:12 +053013#include <linux/of.h>
Max Filippovb3fc5722014-03-06 14:04:41 +040014#include <linux/regmap.h>
15#include <sound/soc.h>
16
17#include "tlv320aic23.h"
18
19static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
20 const struct i2c_device_id *i2c_id)
21{
22 struct regmap *regmap;
23
24 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
25 return -EINVAL;
26
27 regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
28 return tlv320aic23_probe(&i2c->dev, regmap);
29}
30
Max Filippovb3fc5722014-03-06 14:04:41 +040031static const struct i2c_device_id tlv320aic23_id[] = {
32 {"tlv320aic23", 0},
33 {}
34};
35
36MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
37
Krzysztof Kozlowski762e0b82020-11-25 17:44:44 +010038#ifdef CONFIG_OF
Stephen Warren3534b842014-03-31 12:38:17 -060039static const struct of_device_id tlv320aic23_of_match[] = {
40 { .compatible = "ti,tlv320aic23", },
41 { }
42};
43MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
Krzysztof Kozlowski762e0b82020-11-25 17:44:44 +010044#endif
Stephen Warren3534b842014-03-31 12:38:17 -060045
Max Filippovb3fc5722014-03-06 14:04:41 +040046static struct i2c_driver tlv320aic23_i2c_driver = {
47 .driver = {
48 .name = "tlv320aic23-codec",
Stephen Warren3534b842014-03-31 12:38:17 -060049 .of_match_table = of_match_ptr(tlv320aic23_of_match),
Max Filippovb3fc5722014-03-06 14:04:41 +040050 },
51 .probe = tlv320aic23_i2c_probe,
Max Filippovb3fc5722014-03-06 14:04:41 +040052 .id_table = tlv320aic23_id,
53};
54
55module_i2c_driver(tlv320aic23_i2c_driver);
56
57MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
58MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
59MODULE_LICENSE("GPL");