forked from Minki/linux
555b9ee136
Allow the ssm2602/ssm2603/ssm2604 codec driver to be instantiated from the device tree. Also, add Kconfig prompts to allow manual selection of both the I2C and SPI configuration versions of the driver. Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Lars-Peter Clausen <lars@metafoo.de>
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/*
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* SSM2602/SSM2603/SSM2604 I2C audio driver
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*
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* Copyright 2014 Analog Devices Inc.
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*
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* Licensed under the GPL-2.
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*/
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "ssm2602.h"
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/*
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* ssm2602 2 wire address is determined by GPIO5
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* state during powerup.
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* low = 0x1a
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* high = 0x1b
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*/
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static int ssm2602_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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return ssm2602_probe(&client->dev, id->driver_data,
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devm_regmap_init_i2c(client, &ssm2602_regmap_config));
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}
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static int ssm2602_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 ssm2602_i2c_id[] = {
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{ "ssm2602", SSM2602 },
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{ "ssm2603", SSM2602 },
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{ "ssm2604", SSM2604 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
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static const struct of_device_id ssm2602_of_match[] = {
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{ .compatible = "adi,ssm2602", },
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{ .compatible = "adi,ssm2603", },
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{ .compatible = "adi,ssm2604", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, ssm2602_of_match);
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static struct i2c_driver ssm2602_i2c_driver = {
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.driver = {
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.name = "ssm2602",
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.owner = THIS_MODULE,
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.of_match_table = ssm2602_of_match,
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},
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.probe = ssm2602_i2c_probe,
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.remove = ssm2602_i2c_remove,
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.id_table = ssm2602_i2c_id,
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};
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module_i2c_driver(ssm2602_i2c_driver);
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MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
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MODULE_AUTHOR("Cliff Cai");
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MODULE_LICENSE("GPL");
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