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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * ad73311.c -- ALSA Soc AD73311 codec support4 *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};62 63static int ad73311_probe(struct platform_device *pdev)64{65 return devm_snd_soc_register_component(&pdev->dev,66 &soc_component_dev_ad73311, &ad73311_dai, 1);67}68 69static struct platform_driver ad73311_codec_driver = {70 .driver = {71 .name = "ad73311",72 },73 74 .probe = ad73311_probe,75};76 77module_platform_driver(ad73311_codec_driver);78 79MODULE_DESCRIPTION("ASoC ad73311 driver");80MODULE_AUTHOR("Cliff Cai ");81MODULE_LICENSE("GPL");82