sound/soc/codecs/cs4271-spi.c

   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
   8 #include <linux/module.h>
   9 #include <linux/spi/spi.h>
  10 #include <linux/regmap.h>
  11 #include <sound/soc.h>
  12 #include "cs4271.h"
  13
  14 static int cs4271_spi_probe(struct spi_device *spi)
  15 {
  16         struct regmap_config config;
  17
  18         config = cs4271_regmap_config;
  19         config.reg_bits = 16;
  20         config.val_bits = 8;
  21         config.read_flag_mask = 0x21;
  22         config.write_flag_mask = 0x20;
  23
  24         return cs4271_probe(&spi->dev, devm_regmap_init_spi(spi, &config));
  25 }
  26
  27 static struct spi_driver cs4271_spi_driver = {
  28         .driver = {
  29                 .name   = "cs4271",
  30                 .of_match_table = of_match_ptr(cs4271_dt_ids),
  31         },
  32         .probe          = cs4271_spi_probe,
  33 };
  34 module_spi_driver(cs4271_spi_driver);
  35
  36 MODULE_DESCRIPTION("ASoC CS4271 SPI Driver");
  37 MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>");
  38 MODULE_LICENSE("GPL");