109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/*
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* FSI-AK464x sound support for ms7724se
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*
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* Copyright (C) 2009 Renesas Solutions Corp.
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* Kuninori Morimoto <morimoto.kuninori@renesas.com>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/platform_device.h>
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#include <linux/module.h>
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#include <sound/sh_fsi.h>
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struct fsi_ak4642_data {
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const char *name;
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const char *card;
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const char *cpu_dai;
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const char *codec;
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const char *platform;
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int id;
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};
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static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_dai *codec = rtd->codec_dai;
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struct snd_soc_dai *cpu = rtd->cpu_dai;
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int ret;
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ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
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SND_SOC_DAIFMT_CBM_CFM);
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if (ret < 0)
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return ret;
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ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
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if (ret < 0)
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return ret;
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ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J |
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SND_SOC_DAIFMT_CBS_CFS);
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return ret;
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}
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static struct snd_soc_dai_link fsi_dai_link = {
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.codec_dai_name = "ak4642-hifi",
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.init = fsi_ak4642_dai_init,
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};
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static struct snd_soc_card fsi_soc_card = {
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.owner = THIS_MODULE,
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.dai_link = &fsi_dai_link,
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.num_links = 1,
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};
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static struct platform_device *fsi_snd_device;
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static int fsi_ak4642_probe(struct platform_device *pdev)
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{
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int ret = -ENOMEM;
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struct fsi_ak4642_info *pinfo = pdev->dev.platform_data;
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if (!pinfo) {
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dev_err(&pdev->dev, "no info for fsi ak4642\n");
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goto out;
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}
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fsi_snd_device = platform_device_alloc("soc-audio", pinfo->id);
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if (!fsi_snd_device)
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goto out;
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fsi_dai_link.name = pinfo->name;
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fsi_dai_link.stream_name = pinfo->name;
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fsi_dai_link.cpu_dai_name = pinfo->cpu_dai;
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fsi_dai_link.platform_name = pinfo->platform;
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fsi_dai_link.codec_name = pinfo->codec;
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fsi_soc_card.name = pinfo->card;
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platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
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ret = platform_device_add(fsi_snd_device);
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if (ret)
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platform_device_put(fsi_snd_device);
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out:
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return ret;
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}
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static int fsi_ak4642_remove(struct platform_device *pdev)
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{
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platform_device_unregister(fsi_snd_device);
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return 0;
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}
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static struct platform_driver fsi_ak4642 = {
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.driver = {
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.name = "fsi-ak4642-audio",
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},
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.probe = fsi_ak4642_probe,
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.remove = fsi_ak4642_remove,
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};
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module_platform_driver(fsi_ak4642);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
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MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
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