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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wm8804-i2c.c (1680B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
      4 *
      5 * Copyright 2015 Cirrus Logic Inc
      6 *
      7 * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
      8 */
      9
     10#include <linux/init.h>
     11#include <linux/module.h>
     12#include <linux/i2c.h>
     13#include <linux/acpi.h>
     14
     15#include "wm8804.h"
     16
     17static int wm8804_i2c_probe(struct i2c_client *i2c)
     18{
     19	struct regmap *regmap;
     20
     21	regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
     22	if (IS_ERR(regmap))
     23		return PTR_ERR(regmap);
     24
     25	return wm8804_probe(&i2c->dev, regmap);
     26}
     27
     28static int wm8804_i2c_remove(struct i2c_client *i2c)
     29{
     30	wm8804_remove(&i2c->dev);
     31	return 0;
     32}
     33
     34static const struct i2c_device_id wm8804_i2c_id[] = {
     35	{ "wm8804", 0 },
     36	{ }
     37};
     38MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
     39
     40#if defined(CONFIG_OF)
     41static const struct of_device_id wm8804_of_match[] = {
     42	{ .compatible = "wlf,wm8804", },
     43	{ }
     44};
     45MODULE_DEVICE_TABLE(of, wm8804_of_match);
     46#endif
     47
     48#ifdef CONFIG_ACPI
     49static const struct acpi_device_id wm8804_acpi_match[] = {
     50	{ "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
     51	{ "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
     52	{ },
     53};
     54MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
     55#endif
     56
     57static struct i2c_driver wm8804_i2c_driver = {
     58	.driver = {
     59		.name = "wm8804",
     60		.pm = &wm8804_pm,
     61		.of_match_table = of_match_ptr(wm8804_of_match),
     62		.acpi_match_table = ACPI_PTR(wm8804_acpi_match),
     63	},
     64	.probe_new = wm8804_i2c_probe,
     65	.remove = wm8804_i2c_remove,
     66	.id_table = wm8804_i2c_id
     67};
     68
     69module_i2c_driver(wm8804_i2c_driver);
     70
     71MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
     72MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
     73MODULE_LICENSE("GPL");