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
cs35l41_hda_i2c_probe(struct i2c_client * clt)15 static 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));
34 }
35
cs35l41_hda_i2c_remove(struct i2c_client * clt)36 static void cs35l41_hda_i2c_remove(struct i2c_client *clt)
37 {
38 cs35l41_hda_remove(&clt->dev);
39 }
40
41 static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
42 { "cs35l41-hda", 0 },
43 {}
44 };
45
46 static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
47 {"CLSA0100", 0 },
48 {"CLSA0101", 0 },
49 {"CSC3551", 0 },
50 {}
51 };
52 MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
53
54 static 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_new = cs35l41_hda_i2c_probe,
62 .remove = cs35l41_hda_i2c_remove,
63 };
64 module_i2c_driver(cs35l41_i2c_driver);
65
66 MODULE_DESCRIPTION("HDA CS35L41 driver");
67 MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
68 MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
69 MODULE_LICENSE("GPL");
70