summaryrefslogtreecommitdiff
path: root/sound/pci/hda/cs35l41_hda_spi.c
blob: 22e088f28438ee1aac031a8b622b7f921985b365 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// SPDX-License-Identifier: GPL-2.0
//
// cs35l41.c -- CS35l41 HDA SPI driver
//
// Copyright 2021 Cirrus Logic, Inc.
//
// Author: Lucas Tanure <tanureal@opensource.cirrus.com>

#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/spi/spi.h>

#include "cs35l41_hda.h"

static int cs35l41_hda_spi_probe(struct spi_device *spi)
{
	const char *device_name;

	/* Compare against the device name so it works for SPI, normal ACPI
	 * and for ACPI by spi-multi-instantiate matching cases
	 */
	if (strstr(dev_name(&spi->dev), "CSC3551"))
		device_name = "CSC3551";
	else
		return -ENODEV;

	return cs35l41_hda_probe(&spi->dev, device_name, spi->chip_select, spi->irq,
				 devm_regmap_init_spi(spi, &cs35l41_regmap_spi));
}

static void cs35l41_hda_spi_remove(struct spi_device *spi)
{
	cs35l41_hda_remove(&spi->dev);
}

static const struct spi_device_id cs35l41_hda_spi_id[] = {
	{ "cs35l41-hda", 0 },
	{}
};

#ifdef CONFIG_ACPI
static const struct acpi_device_id cs35l41_acpi_hda_match[] = {
	{ "CSC3551", 0 },
	{},
};
MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match);
#endif

static struct spi_driver cs35l41_spi_driver = {
	.driver = {
		.name		= "cs35l41-hda",
		.acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match),
	},
	.id_table	= cs35l41_hda_spi_id,
	.probe		= cs35l41_hda_spi_probe,
	.remove		= cs35l41_hda_spi_remove,
};
module_spi_driver(cs35l41_spi_driver);

MODULE_DESCRIPTION("HDA CS35L41 driver");
MODULE_IMPORT_NS(SND_HDA_SCODEC_CS35L41);
MODULE_AUTHOR("Lucas Tanure <tanureal@opensource.cirrus.com>");
MODULE_LICENSE("GPL");