ad193x-i2c.c 1.1 KB

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  1. /*
  2. * AD1936/AD1937 audio driver
  3. *
  4. * Copyright 2014 Analog Devices Inc.
  5. *
  6. * Licensed under the GPL-2.
  7. */
  8. #include <linux/module.h>
  9. #include <linux/i2c.h>
  10. #include <linux/regmap.h>
  11. #include <sound/soc.h>
  12. #include "ad193x.h"
  13. static const struct i2c_device_id ad193x_id[] = {
  14. { "ad1936", 0 },
  15. { "ad1937", 0 },
  16. { }
  17. };
  18. MODULE_DEVICE_TABLE(i2c, ad193x_id);
  19. static int ad193x_i2c_probe(struct i2c_client *client,
  20. const struct i2c_device_id *id)
  21. {
  22. struct regmap_config config;
  23. config = ad193x_regmap_config;
  24. config.val_bits = 8;
  25. config.reg_bits = 8;
  26. return ad193x_probe(&client->dev, devm_regmap_init_i2c(client, &config));
  27. }
  28. static int ad193x_i2c_remove(struct i2c_client *client)
  29. {
  30. snd_soc_unregister_codec(&client->dev);
  31. return 0;
  32. }
  33. static struct i2c_driver ad193x_i2c_driver = {
  34. .driver = {
  35. .name = "ad193x",
  36. },
  37. .probe = ad193x_i2c_probe,
  38. .remove = ad193x_i2c_remove,
  39. .id_table = ad193x_id,
  40. };
  41. module_i2c_driver(ad193x_i2c_driver);
  42. MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver");
  43. MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  44. MODULE_LICENSE("GPL");