/* * ad73311.c -- ALSA Soc AD73311 codec support * * Copyright: Analog Device Inc. * Author: Cliff Cai <cliff.cai@analog.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/initval.h> #include <sound/soc.h> #include "ad73311.h" static const struct snd_soc_dapm_widget ad73311_dapm_widgets[] = { SND_SOC_DAPM_INPUT("VINP"), SND_SOC_DAPM_INPUT("VINN"), SND_SOC_DAPM_OUTPUT("VOUTN"), SND_SOC_DAPM_OUTPUT("VOUTP"), }; static const struct snd_soc_dapm_route ad73311_dapm_routes[] = { { "Capture", NULL, "VINP" }, { "Capture", NULL, "VINN" }, { "VOUTN", NULL, "Playback" }, { "VOUTP", NULL, "Playback" }, }; static struct snd_soc_dai_driver ad73311_dai = { .name = "ad73311-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, .channels_max = 1, .rates = SNDRV_PCM_RATE_8000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .capture = { .stream_name = "Capture", .channels_min = 1, .channels_max = 1, .rates = SNDRV_PCM_RATE_8000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, }; static struct snd_soc_codec_driver soc_codec_dev_ad73311 = { .dapm_widgets = ad73311_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(ad73311_dapm_widgets), .dapm_routes = ad73311_dapm_routes, .num_dapm_routes = ARRAY_SIZE(ad73311_dapm_routes), }; static int ad73311_probe(struct platform_device *pdev) { return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_ad73311, &ad73311_dai, 1); } static int ad73311_remove(struct platform_device *pdev) { snd_soc_unregister_codec(&pdev->dev); return 0; } static struct platform_driver ad73311_codec_driver = { .driver = { .name = "ad73311", }, .probe = ad73311_probe, .remove = ad73311_remove, }; module_platform_driver(ad73311_codec_driver); MODULE_DESCRIPTION("ASoC ad73311 driver"); MODULE_AUTHOR("Cliff Cai "); MODULE_LICENSE("GPL");