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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pcm179x-i2c.c (1315B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * PCM179X ASoC I2C driver
      4 *
      5 * Copyright (c) Teenage Engineering AB 2016
      6 *
      7 *     Jacob Siverskog <jacob@teenage.engineering>
      8 */
      9
     10#include <linux/module.h>
     11#include <linux/of.h>
     12#include <linux/i2c.h>
     13#include <linux/regmap.h>
     14
     15#include "pcm179x.h"
     16
     17static int pcm179x_i2c_probe(struct i2c_client *client)
     18{
     19	struct regmap *regmap;
     20	int ret;
     21
     22	regmap = devm_regmap_init_i2c(client, &pcm179x_regmap_config);
     23	if (IS_ERR(regmap)) {
     24		ret = PTR_ERR(regmap);
     25		dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
     26		return ret;
     27	}
     28
     29	return pcm179x_common_init(&client->dev, regmap);
     30}
     31
     32#ifdef CONFIG_OF
     33static const struct of_device_id pcm179x_of_match[] = {
     34	{ .compatible = "ti,pcm1792a", },
     35	{ }
     36};
     37MODULE_DEVICE_TABLE(of, pcm179x_of_match);
     38#endif
     39
     40static const struct i2c_device_id pcm179x_i2c_ids[] = {
     41	{ "pcm179x", 0 },
     42	{ }
     43};
     44MODULE_DEVICE_TABLE(i2c, pcm179x_i2c_ids);
     45
     46static struct i2c_driver pcm179x_i2c_driver = {
     47	.driver = {
     48		.name	= "pcm179x",
     49		.of_match_table = of_match_ptr(pcm179x_of_match),
     50	},
     51	.id_table	= pcm179x_i2c_ids,
     52	.probe_new	= pcm179x_i2c_probe,
     53};
     54
     55module_i2c_driver(pcm179x_i2c_driver);
     56
     57MODULE_DESCRIPTION("ASoC PCM179X I2C driver");
     58MODULE_AUTHOR("Jacob Siverskog <jacob@teenage.engineering>");
     59MODULE_LICENSE("GPL");