sound/soc/codecs/ad193x-spi.c

   1 /*
   2  * AD1938/AD1939 audio driver
   3  *
   4  * Copyright 2014 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2.
   7  */
   8
   9 #include <linux/module.h>
  10 #include <linux/spi/spi.h>
  11 #include <linux/regmap.h>
  12
  13 #include <sound/soc.h>
  14
  15 #include "ad193x.h"
  16
  17 static int ad193x_spi_probe(struct spi_device *spi)
  18 {
  19         const struct spi_device_id *id = spi_get_device_id(spi);
  20         struct regmap_config config;
  21
  22         config = ad193x_regmap_config;
  23         config.val_bits = 8;
  24         config.reg_bits = 16;
  25         config.read_flag_mask = 0x09;
  26         config.write_flag_mask = 0x08;
  27
  28         return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config),
  29                             (enum ad193x_type)id->driver_data);
  30 }
  31
  32 static int ad193x_spi_remove(struct spi_device *spi)
  33 {
  34         snd_soc_unregister_codec(&spi->dev);
  35         return 0;
  36 }
  37
  38 static const struct spi_device_id ad193x_spi_id[] = {
  39         { "ad193x", AD193X },
  40         { "ad1933", AD1933 },
  41         { "ad1934", AD1934 },
  42         { "ad1938", AD193X },
  43         { "ad1939", AD193X },
  44         { "adau1328", AD193X },
  45         { }
  46 };
  47 MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
  48
  49 static struct spi_driver ad193x_spi_driver = {
  50         .driver = {
  51                 .name   = "ad193x",
  52         },
  53         .probe          = ad193x_spi_probe,
  54         .remove         = ad193x_spi_remove,
  55         .id_table       = ad193x_spi_id,
  56 };
  57 module_spi_driver(ad193x_spi_driver);
  58
  59 MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
  60 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  61 MODULE_LICENSE("GPL");