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603597c937
This patch adds support for the ADAU1977, ADAU1978 and ADAU1979 audio CODEC devices. They are a family of 4-channel differential input audio ADC devices. They can be connected to either a SPI or I2C bus. The driver is implemented in three modules, one main module (adau1977.ko) which implements the device logic and one module each for SPI (adau1977-spi.ko) and I2C (adau1977-i2c.ko) bus access. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/*
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* ADAU1977/ADAU1978/ADAU1979 driver
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*
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* Copyright 2014 Analog Devices Inc.
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* Author: Lars-Peter Clausen <lars@metafoo.de>
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*
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* Licensed under the GPL-2.
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*/
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#include <linux/i2c.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "adau1977.h"
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static int adau1977_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct regmap_config config;
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config = adau1977_regmap_config;
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config.val_bits = 8;
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config.reg_bits = 8;
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return adau1977_probe(&client->dev,
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devm_regmap_init_i2c(client, &config),
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id->driver_data, NULL);
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}
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static int adau1977_i2c_remove(struct i2c_client *client)
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{
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snd_soc_unregister_codec(&client->dev);
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return 0;
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}
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static const struct i2c_device_id adau1977_i2c_ids[] = {
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{ "adau1977", ADAU1977 },
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{ "adau1978", ADAU1978 },
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{ "adau1979", ADAU1978 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, adau1977_i2c_ids);
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static struct i2c_driver adau1977_i2c_driver = {
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.driver = {
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.name = "adau1977",
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.owner = THIS_MODULE,
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},
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.probe = adau1977_i2c_probe,
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.remove = adau1977_i2c_remove,
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.id_table = adau1977_i2c_ids,
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};
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module_i2c_driver(adau1977_i2c_driver);
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MODULE_DESCRIPTION("ASoC ADAU1977/ADAU1978/ADAU1979 driver");
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MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
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MODULE_LICENSE("GPL");
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