69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// cs35l41.c -- CS35l41 HDA I2C driver
|
|
//
|
|
// Copyright 2021 Cirrus Logic, Inc.
|
|
//
|
|
// Author: Lucas Tanure <tanureal@opensource.cirrus.com>
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/acpi.h>
|
|
|
|
#include "cs35l41_hda.h"
|
|
|
|
static int cs35l41_hda_i2c_probe(struct i2c_client *clt, const struct i2c_device_id *id)
|
|
{
|
|
const char *device_name;
|
|
|
|
/* Compare against the device name so it works for I2C, normal ACPI
|
|
* and for ACPI by i2c-multi-instantiate matching cases
|
|
*/
|
|
if (strstr(dev_name(&clt->dev), "CLSA0100"))
|
|
device_name = "CLSA0100";
|
|
else if (strstr(dev_name(&clt->dev), "CSC3551"))
|
|
device_name = "CSC3551";
|
|
else
|
|
return -ENODEV;
|
|
|
|
return cs35l41_hda_probe(&clt->dev, device_name, clt->addr, clt->irq,
|
|
devm_regmap_init_i2c(clt, &cs35l41_regmap_i2c));
|
|
}
|
|
|
|
static int cs35l41_hda_i2c_remove(struct i2c_client *clt)
|
|
{
|
|
cs35l41_hda_remove(&clt->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
|
|
{ "cs35l41-hda", 0 },
|
|
{}
|
|
};
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
|
|
{"CLSA0100", 0 },
|
|
{"CSC3551", 0 },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
|
|
#endif
|
|
|
|
static struct i2c_driver cs35l41_i2c_driver = {
|
|
.driver = {
|
|
.name = "cs35l41-hda",
|
|
.acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match),
|
|
},
|
|
.id_table = cs35l41_hda_i2c_id,
|
|
.probe = cs35l41_hda_i2c_probe,
|
|
.remove = cs35l41_hda_i2c_remove,
|
|
};
|
|
module_i2c_driver(cs35l41_i2c_driver);
|
|
|
|
MODULE_DESCRIPTION("HDA CS35L41 driver");
|
|
MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
|
|
MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
|
|
MODULE_LICENSE("GPL");
|