LXR linux/sound/soc/codecs/ad73311.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * ad73311.c  --  ALSA Soc AD73311 codec support
   4 *
   5 * Copyright:   Analog Devices Inc.
   6 * Author:      Cliff Cai <cliff.cai@analog.com>
   7 */
   8
   9#include <linux/init.h>
  10#include <linux/slab.h>
  11#include <linux/module.h>
  12#include <linux/kernel.h>
  13#include <linux/device.h>
  14#include <sound/core.h>
  15#include <sound/pcm.h>
  16#include <sound/ac97_codec.h>
  17#include <sound/initval.h>
  18#include <sound/soc.h>
  19
  20#include "ad73311.h"
  21
  22static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = {
  23SND_SOC_DAPM_INPUT("VINP"),
  24SND_SOC_DAPM_INPUT("VINN"),
  25SND_SOC_DAPM_OUTPUT("VOUTN"),
  26SND_SOC_DAPM_OUTPUT("VOUTP"),
  27};
  28
  29static const struct snd_soc_dapm_route ad73311_dapm_routes[] = {
  30        { "Capture", NULL, "VINP" },
  31        { "Capture", NULL, "VINN" },
  32
  33        { "VOUTN", NULL, "Playback" },
  34        { "VOUTP", NULL, "Playback" },
  35};
  36
  37static struct snd_soc_dai_driver ad73311_dai = {
  38        .name = "ad73311-hifi",
  39        .playback = {
  40                .stream_name = "Playback",
  41                .channels_min = 1,
  42                .channels_max = 1,
  43                .rates = SNDRV_PCM_RATE_8000,
  44                .formats = SNDRV_PCM_FMTBIT_S16_LE, },
  45        .capture = {
  46                .stream_name = "Capture",
  47                .channels_min = 1,
  48                .channels_max = 1,
  49                .rates = SNDRV_PCM_RATE_8000,
  50                .formats = SNDRV_PCM_FMTBIT_S16_LE, },
  51};
  52
  53static const struct snd_soc_component_driver soc_component_dev_ad73311 = {
  54        .dapm_widgets           = ad73311_dapm_widgets,
  55        .num_dapm_widgets       = ARRAY_SIZE(ad73311_dapm_widgets),
  56        .dapm_routes            = ad73311_dapm_routes,
  57        .num_dapm_routes        = ARRAY_SIZE(ad73311_dapm_routes),
  58        .idle_bias_on           = 1,
  59        .use_pmdown_time        = 1,
  60        .endianness             = 1,
  61        .non_legacy_dai_naming  = 1,
  62};
  63
  64static int ad73311_probe(struct platform_device *pdev)
  65{
  66        return devm_snd_soc_register_component(&pdev->dev,
  67                        &soc_component_dev_ad73311, &ad73311_dai, 1);
  68}
  69
  70static struct platform_driver ad73311_codec_driver = {
  71        .driver = {
  72                        .name = "ad73311",
  73        },
  74
  75        .probe = ad73311_probe,
  76};
  77
  78module_platform_driver(ad73311_codec_driver);
  79
  80MODULE_DESCRIPTION("ASoC ad73311 driver");
  81MODULE_AUTHOR("Cliff Cai ");
  82MODULE_LICENSE("GPL");
  83