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3534b842a8
Add a device tree match table. This serves to make the driver's support of device tree more explicit. Perhaps the fallback for DT matching to using the i2c_device_id table will go away one day, since it fails in face of devices from different vendors with the same name. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@linaro.org>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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* ALSA SoC TLV320AIC23 codec driver I2C interface
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*
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* Author: Arun KS, <arunks@mistralsolutions.com>
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* Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
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*
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* Based on sound/soc/codecs/wm8731.c by Richard Purdie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/i2c.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 "tlv320aic23.h"
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static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *i2c_id)
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{
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struct regmap *regmap;
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if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
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return -EINVAL;
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regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
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return tlv320aic23_probe(&i2c->dev, regmap);
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}
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static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c)
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{
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snd_soc_unregister_codec(&i2c->dev);
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return 0;
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}
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static const struct i2c_device_id tlv320aic23_id[] = {
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{"tlv320aic23", 0},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
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static const struct of_device_id tlv320aic23_of_match[] = {
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{ .compatible = "ti,tlv320aic23", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
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static struct i2c_driver tlv320aic23_i2c_driver = {
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.driver = {
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.name = "tlv320aic23-codec",
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.of_match_table = of_match_ptr(tlv320aic23_of_match),
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},
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.probe = tlv320aic23_i2c_probe,
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.remove = __exit_p(tlv320aic23_i2c_remove),
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.id_table = tlv320aic23_id,
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};
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module_i2c_driver(tlv320aic23_i2c_driver);
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MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
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MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
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MODULE_LICENSE("GPL");
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