cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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tlv320aic23-i2c.c (1419B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      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
      9 */
     10
     11#include <linux/i2c.h>
     12#include <linux/module.h>
     13#include <linux/of.h>
     14#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{
     21	struct regmap *regmap;
     22
     23	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
     24		return -EINVAL;
     25
     26	regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
     27	return tlv320aic23_probe(&i2c->dev, regmap);
     28}
     29
     30static const struct i2c_device_id tlv320aic23_id[] = {
     31	{"tlv320aic23", 0},
     32	{}
     33};
     34
     35MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
     36
     37#ifdef CONFIG_OF
     38static const struct of_device_id tlv320aic23_of_match[] = {
     39	{ .compatible = "ti,tlv320aic23", },
     40	{ }
     41};
     42MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
     43#endif
     44
     45static struct i2c_driver tlv320aic23_i2c_driver = {
     46	.driver = {
     47		   .name = "tlv320aic23-codec",
     48		   .of_match_table = of_match_ptr(tlv320aic23_of_match),
     49		   },
     50	.probe_new = tlv320aic23_i2c_probe,
     51	.id_table = tlv320aic23_id,
     52};
     53
     54module_i2c_driver(tlv320aic23_i2c_driver);
     55
     56MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
     57MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
     58MODULE_LICENSE("GPL");