1// SPDX-License-Identifier: GPL-2.0 2// 3// CS35l41 HDA I2C driver 4// 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 ACPI 21 * 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 else 30 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", 0 }, 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