tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * AD1938/AD1939 audio driver
3 *
4 * Copyright 2014 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2.
7 */
8
9#include <linux/module.h>
10#include <linux/spi/spi.h>
11#include <linux/regmap.h>
12
13#include <sound/soc.h>
14
15#include "ad193x.h"
16
17static int ad193x_spi_probe(struct spi_device *spi)
18{
19 const struct spi_device_id *id = spi_get_device_id(spi);
20 struct regmap_config config;
21
22 config = ad193x_regmap_config;
23 config.val_bits = 8;
24 config.reg_bits = 16;
25 config.read_flag_mask = 0x09;
26 config.write_flag_mask = 0x08;
27
28 return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config),
29 (enum ad193x_type)id->driver_data);
30}
31
32static int ad193x_spi_remove(struct spi_device *spi)
33{
34 snd_soc_unregister_codec(&spi->dev);
35 return 0;
36}
37
38static const struct spi_device_id ad193x_spi_id[] = {
39 { "ad193x", AD193X },
40 { "ad1933", AD1933 },
41 { "ad1934", AD1934 },
42 { "ad1938", AD193X },
43 { "ad1939", AD193X },
44 { "adau1328", AD193X },
45 { }
46};
47MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
48
49static struct spi_driver ad193x_spi_driver = {
50 .driver = {
51 .name = "ad193x",
52 },
53 .probe = ad193x_spi_probe,
54 .remove = ad193x_spi_remove,
55 .id_table = ad193x_spi_id,
56};
57module_spi_driver(ad193x_spi_driver);
58
59MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
60MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
61MODULE_LICENSE("GPL");