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1// SPDX-License-Identifier: GPL-2.02//3// CS35l41 HDA I2C driver4//5// Copyright 2021 Cirrus Logic, Inc.6//7// Author: Lucas Tanure <tanureal@opensource.cirrus.com>8 9#include <linux/mod_devicetable.h>10#include <linux/module.h>11#include <linux/i2c.h>12 13#include "cs35l41_hda.h"14 15static int cs35l41_hda_i2c_probe(struct i2c_client *clt)16{17 const char *device_name;18 19 /*20 * Compare against the device name so it works for SPI, normal ACPI21 * and for ACPI by serial-multi-instantiate matching cases.22 */23 if (strstr(dev_name(&clt->dev), "CLSA0100"))24 device_name = "CLSA0100";25 else if (strstr(dev_name(&clt->dev), "CLSA0101"))26 device_name = "CLSA0101";27 else if (strstr(dev_name(&clt->dev), "CSC3551"))28 device_name = "CSC3551";29 else30 return -ENODEV;31 32 return cs35l41_hda_probe(&clt->dev, device_name, clt->addr, clt->irq,33 devm_regmap_init_i2c(clt, &cs35l41_regmap_i2c), I2C);34}35 36static void cs35l41_hda_i2c_remove(struct i2c_client *clt)37{38 cs35l41_hda_remove(&clt->dev);39}40 41static const struct i2c_device_id cs35l41_hda_i2c_id[] = {42 { "cs35l41-hda" },43 {}44};45 46static const struct acpi_device_id cs35l41_acpi_hda_match[] = {47 {"CLSA0100", 0 },48 {"CLSA0101", 0 },49 {"CSC3551", 0 },50 {}51};52MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);53 54static struct i2c_driver cs35l41_i2c_driver = {55 .driver = {56 .name = "cs35l41-hda",57 .acpi_match_table = cs35l41_acpi_hda_match,58 .pm = &cs35l41_hda_pm_ops,59 },60 .id_table = cs35l41_hda_i2c_id,61 .probe = cs35l41_hda_i2c_probe,62 .remove = cs35l41_hda_i2c_remove,63};64module_i2c_driver(cs35l41_i2c_driver);65 66MODULE_DESCRIPTION("HDA CS35L41 driver");67MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);68MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");69MODULE_LICENSE("GPL");70