59 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * ALSA SoC TLV320AIC23 codec driver I2C interface4 *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 Purdie9 */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"},32 {}33};34 35MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);36 37#ifdef CONFIG_OF38static const struct of_device_id tlv320aic23_of_match[] = {39 { .compatible = "ti,tlv320aic23", },40 { }41};42MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);43#endif44 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 = 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");59