ad193x-spi.c 984 B

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  1. /*
  2. * AD1938/AD1939 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/spi/spi.h>
  10. #include <linux/regmap.h>
  11. #include <sound/soc.h>
  12. #include "ad193x.h"
  13. static int ad193x_spi_probe(struct spi_device *spi)
  14. {
  15. struct regmap_config config;
  16. config = ad193x_regmap_config;
  17. config.val_bits = 8;
  18. config.reg_bits = 16;
  19. config.read_flag_mask = 0x09;
  20. config.write_flag_mask = 0x08;
  21. return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
  22. }
  23. static int ad193x_spi_remove(struct spi_device *spi)
  24. {
  25. snd_soc_unregister_codec(&spi->dev);
  26. return 0;
  27. }
  28. static struct spi_driver ad193x_spi_driver = {
  29. .driver = {
  30. .name = "ad193x",
  31. .owner = THIS_MODULE,
  32. },
  33. .probe = ad193x_spi_probe,
  34. .remove = ad193x_spi_remove,
  35. };
  36. module_spi_driver(ad193x_spi_driver);
  37. MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
  38. MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  39. MODULE_LICENSE("GPL");