sound/soc/codecs/ad193x-spi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * AD1938/AD1939 audio driver
   4  *
   5  * Copyright 2014 Analog Devices Inc.
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/spi/spi.h>
  10 #include <linux/regmap.h>
  11
  12 #include <sound/soc.h>
  13
  14 #include "ad193x.h"
  15
  16 static int ad193x_spi_probe(struct spi_device *spi)
  17 {
  18         const struct spi_device_id *id = spi_get_device_id(spi);
  19         struct regmap_config config;
  20
  21         config = ad193x_regmap_config;
  22         config.val_bits = 8;
  23         config.reg_bits = 16;
  24         config.read_flag_mask = 0x09;
  25         config.write_flag_mask = 0x08;
  26
  27         return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config),
  28                             (enum ad193x_type)id->driver_data);
  29 }
  30
  31 static const struct spi_device_id ad193x_spi_id[] = {
  32         { "ad193x", AD193X },
  33         { "ad1933", AD1933 },
  34         { "ad1934", AD1934 },
  35         { "ad1938", AD193X },
  36         { "ad1939", AD193X },
  37         { "adau1328", AD193X },
  38         { }
  39 };
  40 MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
  41
  42 static struct spi_driver ad193x_spi_driver = {
  43         .driver = {
  44                 .name   = "ad193x",
  45         },
  46         .probe          = ad193x_spi_probe,
  47         .id_table       = ad193x_spi_id,
  48 };
  49 module_spi_driver(ad193x_spi_driver);
  50
  51 MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
  52 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  53 MODULE_LICENSE("GPL");