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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ssm2602-i2c.c (1406B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * SSM2602/SSM2603/SSM2604 I2C audio driver
      4 *
      5 * Copyright 2014 Analog Devices Inc.
      6 */
      7
      8#include <linux/module.h>
      9#include <linux/i2c.h>
     10#include <linux/regmap.h>
     11
     12#include <sound/soc.h>
     13
     14#include "ssm2602.h"
     15
     16static const struct i2c_device_id ssm2602_i2c_id[];
     17
     18/*
     19 * ssm2602 2 wire address is determined by GPIO5
     20 * state during powerup.
     21 *    low  = 0x1a
     22 *    high = 0x1b
     23 */
     24static int ssm2602_i2c_probe(struct i2c_client *client)
     25{
     26	const struct i2c_device_id *id = i2c_match_id(ssm2602_i2c_id, client);
     27	return ssm2602_probe(&client->dev, id->driver_data,
     28		devm_regmap_init_i2c(client, &ssm2602_regmap_config));
     29}
     30
     31static const struct i2c_device_id ssm2602_i2c_id[] = {
     32	{ "ssm2602", SSM2602 },
     33	{ "ssm2603", SSM2602 },
     34	{ "ssm2604", SSM2604 },
     35	{ }
     36};
     37MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
     38
     39static const struct of_device_id ssm2602_of_match[] = {
     40	{ .compatible = "adi,ssm2602", },
     41	{ .compatible = "adi,ssm2603", },
     42	{ .compatible = "adi,ssm2604", },
     43	{ }
     44};
     45MODULE_DEVICE_TABLE(of, ssm2602_of_match);
     46
     47static struct i2c_driver ssm2602_i2c_driver = {
     48	.driver = {
     49		.name = "ssm2602",
     50		.of_match_table = ssm2602_of_match,
     51	},
     52	.probe_new = ssm2602_i2c_probe,
     53	.id_table = ssm2602_i2c_id,
     54};
     55module_i2c_driver(ssm2602_i2c_driver);
     56
     57MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
     58MODULE_AUTHOR("Cliff Cai");
     59MODULE_LICENSE("GPL");