blob: acd49d86e70646b568dd785ccb05e62e942a7bc8 [file] [log] [blame]
Axel Linc973b8a2014-10-06 23:09:47 +08001/*
2 * CS4271 SPI audio driver
3 *
4 * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17#include <linux/module.h>
18#include <linux/spi/spi.h>
19#include <linux/regmap.h>
20#include <sound/soc.h>
21#include "cs4271.h"
22
23static int cs4271_spi_probe(struct spi_device *spi)
24{
25 struct regmap_config config;
26
27 config = cs4271_regmap_config;
28 config.reg_bits = 16;
29 config.val_bits = 8;
30 config.read_flag_mask = 0x21;
31 config.write_flag_mask = 0x20;
32
33 return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
34}
35
36static int cs4271_spi_remove(struct spi_device *spi)
37{
38 snd_soc_unregister_codec(&spi->dev);
39 return 0;
40}
41
42static struct spi_driver cs4271_spi_driver = {
43 .driver = {
44 .name = "cs4271",
45 .owner = THIS_MODULE,
46 .of_match_table = of_match_ptr(cs4271_dt_ids),
47 },
48 .probe = cs4271_spi_probe,
49 .remove = cs4271_spi_remove,
50};
51module_spi_driver(cs4271_spi_driver);
52
53MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
54MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
55MODULE_LICENSE("GPL");