xref: /openbmc/linux/sound/soc/codecs/ad193x-spi.c (revision eb3fcf00)
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 
17 static int ad193x_spi_probe(struct spi_device *spi)
18 {
19 	struct regmap_config config;
20 
21 	config = ad193x_regmap_config;
22 	config.val_bits = 8;
23 	config.reg_bits = 16;
24 	config.read_flag_mask = 0x09;
25 	config.write_flag_mask = 0x08;
26 
27 	return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
28 }
29 
30 static int ad193x_spi_remove(struct spi_device *spi)
31 {
32 	snd_soc_unregister_codec(&spi->dev);
33 	return 0;
34 }
35 
36 static struct spi_driver ad193x_spi_driver = {
37 	.driver = {
38 		.name	= "ad193x",
39 		.owner	= THIS_MODULE,
40 	},
41 	.probe		= ad193x_spi_probe,
42 	.remove		= ad193x_spi_remove,
43 };
44 module_spi_driver(ad193x_spi_driver);
45 
46 MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
47 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
48 MODULE_LICENSE("GPL");
49