LXR linux/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
  17static 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
  32static int ad193x_spi_remove(struct spi_device *spi)
  33{
  34        snd_soc_unregister_codec(&spi->dev);
  35        return 0;
  36}
  37
  38static 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};
  47MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
  48
  49static 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};
  57module_spi_driver(ad193x_spi_driver);
  58
  59MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
  60MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  61MODULE_LICENSE("GPL");
  62