LXR linux/sound/soc/codecs/wm8804-i2c.c

   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                            const struct i2c_device_id *id)
  19{
  20        struct regmap *regmap;
  21
  22        regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
  23        if (IS_ERR(regmap))
  24                return PTR_ERR(regmap);
  25
  26        return wm8804_probe(&i2c->dev, regmap);
  27}
  28
  29static int wm8804_i2c_remove(struct i2c_client *i2c)
  30{
  31        wm8804_remove(&i2c->dev);
  32        return 0;
  33}
  34
  35static const struct i2c_device_id wm8804_i2c_id[] = {
  36        { "wm8804", 0 },
  37        { }
  38};
  39MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
  40
  41#if defined(CONFIG_OF)
  42static const struct of_device_id wm8804_of_match[] = {
  43        { .compatible = "wlf,wm8804", },
  44        { }
  45};
  46MODULE_DEVICE_TABLE(of, wm8804_of_match);
  47#endif
  48
  49#ifdef CONFIG_ACPI
  50static const struct acpi_device_id wm8804_acpi_match[] = {
  51        { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
  52        { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
  53        { },
  54};
  55MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
  56#endif
  57
  58static struct i2c_driver wm8804_i2c_driver = {
  59        .driver = {
  60                .name = "wm8804",
  61                .pm = &wm8804_pm,
  62                .of_match_table = of_match_ptr(wm8804_of_match),
  63                .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
  64        },
  65        .probe = wm8804_i2c_probe,
  66        .remove = wm8804_i2c_remove,
  67        .id_table = wm8804_i2c_id
  68};
  69
  70module_i2c_driver(wm8804_i2c_driver);
  71
  72MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
  73MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
  74MODULE_LICENSE("GPL");
  75