cs4271-spi.c 899 B

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * CS4271 SPI audio driver
  4. *
  5. * Copyright (c) 2010 Alexander Sverdlin <subaparts@yandex.ru>
  6. */
  7. #include <linux/module.h>
  8. #include <linux/spi/spi.h>
  9. #include <linux/regmap.h>
  10. #include <sound/soc.h>
  11. #include "cs4271.h"
  12. static int cs4271_spi_probe(struct spi_device *spi)
  13. {
  14. struct regmap_config config;
  15. config = cs4271_regmap_config;
  16. config.reg_bits = 16;
  17. config.val_bits = 8;
  18. config.read_flag_mask = 0x21;
  19. config.write_flag_mask = 0x20;
  20. return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
  21. }
  22. static struct spi_driver cs4271_spi_driver = {
  23. .driver = {
  24. .name = "cs4271",
  25. .of_match_table = of_match_ptr(cs4271_dt_ids),
  26. },
  27. .probe = cs4271_spi_probe,
  28. };
  29. module_spi_driver(cs4271_spi_driver);
  30. MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
  31. MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
  32. MODULE_LICENSE("GPL");