tlv320aic23-i2c.c 1.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * ALSA SoC TLV320AIC23 codec driver I2C interface
  4. *
  5. * Author: Arun KS, <arunks@mistralsolutions.com>
  6. * Copyright: (C) 2008 Mistral Solutions Pvt Ltd.,
  7. *
  8. * Based on sound/soc/codecs/wm8731.c by Richard Purdie
  9. */
  10. #include <linux/i2c.h>
  11. #include <linux/module.h>
  12. #include <linux/of.h>
  13. #include <linux/regmap.h>
  14. #include <sound/soc.h>
  15. #include "tlv320aic23.h"
  16. static int tlv320aic23_i2c_probe(struct i2c_client *i2c,
  17. const struct i2c_device_id *i2c_id)
  18. {
  19. struct regmap *regmap;
  20. if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
  21. return -EINVAL;
  22. regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
  23. return tlv320aic23_probe(&i2c->dev, regmap);
  24. }
  25. static const struct i2c_device_id tlv320aic23_id[] = {
  26. {"tlv320aic23", 0},
  27. {}
  28. };
  29. MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
  30. static const struct of_device_id tlv320aic23_of_match[] = {
  31. { .compatible = "ti,tlv320aic23", },
  32. { }
  33. };
  34. MODULE_DEVICE_TABLE(of, tlv320aic23_of_match);
  35. static struct i2c_driver tlv320aic23_i2c_driver = {
  36. .driver = {
  37. .name = "tlv320aic23-codec",
  38. .of_match_table = of_match_ptr(tlv320aic23_of_match),
  39. },
  40. .probe = tlv320aic23_i2c_probe,
  41. .id_table = tlv320aic23_id,
  42. };
  43. module_i2c_driver(tlv320aic23_i2c_driver);
  44. MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver I2C");
  45. MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
  46. MODULE_LICENSE("GPL");