2 * Driver for ADAU1761/ADAU1461/ADAU1761/ADAU1961 codec
4 * Copyright 2014 Analog Devices Inc.
7 * Licensed under the GPL-2.
10 #include <linux/mod_devicetable.h>
11 #include <linux/module.h>
12 #include <linux/regmap.h>
13 #include <linux/spi/spi.h>
14 #include <sound/soc.h>
18 static void adau1761_spi_switch_mode(struct device *dev)
20 struct spi_device *spi = to_spi_device(dev);
23 * To get the device into SPI mode CLATCH has to be pulled low three
24 * times. Do this by issuing three dummy reads.
31 static int adau1761_spi_probe(struct spi_device *spi)
33 const struct spi_device_id *id = spi_get_device_id(spi);
34 struct regmap_config config;
39 config = adau1761_regmap_config;
42 config.read_flag_mask = 0x1;
44 return adau1761_probe(&spi->dev,
45 devm_regmap_init_spi(spi, &config),
46 id->driver_data, adau1761_spi_switch_mode);
49 static int adau1761_spi_remove(struct spi_device *spi)
51 snd_soc_unregister_codec(&spi->dev);
55 static const struct spi_device_id adau1761_spi_id[] = {
56 { "adau1361", ADAU1361 },
57 { "adau1461", ADAU1761 },
58 { "adau1761", ADAU1761 },
59 { "adau1961", ADAU1361 },
62 MODULE_DEVICE_TABLE(spi, adau1761_spi_id);
64 static struct spi_driver adau1761_spi_driver = {
69 .probe = adau1761_spi_probe,
70 .remove = adau1761_spi_remove,
71 .id_table = adau1761_spi_id,
73 module_spi_driver(adau1761_spi_driver);
75 MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC SPI driver");
77 MODULE_LICENSE("GPL");