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86 lines
2 KiB
C
86 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* simone.c -- ASoC audio for Simplemachines Sim.One board
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*
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* Copyright (c) 2010 Mika Westerberg
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*
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* Based on snappercl15 machine driver by Ryan Mallon.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/soc/cirrus/ep93xx.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <asm/mach-types.h>
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SND_SOC_DAILINK_DEFS(hifi,
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DAILINK_COMP_ARRAY(COMP_CPU("ep93xx-ac97")),
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DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("ep93xx-ac97")));
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static struct snd_soc_dai_link simone_dai = {
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.name = "AC97",
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.stream_name = "AC97 HiFi",
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SND_SOC_DAILINK_REG(hifi),
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};
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static struct snd_soc_card snd_soc_simone = {
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.name = "Sim.One",
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.owner = THIS_MODULE,
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.dai_link = &simone_dai,
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.num_links = 1,
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};
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static struct platform_device *simone_snd_ac97_device;
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static int simone_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card = &snd_soc_simone;
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int ret;
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simone_snd_ac97_device = platform_device_register_simple("ac97-codec",
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-1, NULL, 0);
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if (IS_ERR(simone_snd_ac97_device))
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return PTR_ERR(simone_snd_ac97_device);
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card->dev = &pdev->dev;
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ret = snd_soc_register_card(card);
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if (ret) {
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
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ret);
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platform_device_unregister(simone_snd_ac97_device);
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}
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return ret;
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}
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static int simone_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *card = platform_get_drvdata(pdev);
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snd_soc_unregister_card(card);
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platform_device_unregister(simone_snd_ac97_device);
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return 0;
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}
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static struct platform_driver simone_driver = {
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.driver = {
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.name = "simone-audio",
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},
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.probe = simone_probe,
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.remove = simone_remove,
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};
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module_platform_driver(simone_driver);
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MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
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MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:simone-audio");
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