108 lines
2.4 KiB
C
108 lines
2.4 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/module.h>
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#include <linux/moduleparam.h>
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#include <linux/platform_device.h>
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#include <linux/i2c.h>
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#include <linux/io.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 <sound/soc-dapm.h>
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#include <sound/sh_fsi.h>
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#include <../sound/soc/codecs/ak4642.h>
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static struct snd_soc_dai_link fsi_dai_link = {
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.name = "AK4642",
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.stream_name = "AK4642",
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.cpu_dai = &fsi_soc_dai[0], /* fsi */
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.codec_dai = &ak4642_dai,
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.ops = NULL,
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};
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static struct snd_soc_card fsi_soc_card = {
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.name = "FSI",
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.platform = &fsi_soc_platform,
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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 snd_soc_device fsi_snd_devdata = {
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.card = &fsi_soc_card,
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.codec_dev = &soc_codec_dev_ak4642,
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};
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#define AK4642_BUS 0
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#define AK4642_ADR 0x12
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static int ak4642_add_i2c_device(void)
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{
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struct i2c_board_info info;
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struct i2c_adapter *adapter;
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struct i2c_client *client;
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memset(&info, 0, sizeof(struct i2c_board_info));
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info.addr = AK4642_ADR;
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strlcpy(info.type, "ak4642", I2C_NAME_SIZE);
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adapter = i2c_get_adapter(AK4642_BUS);
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if (!adapter) {
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printk(KERN_DEBUG "can't get i2c adapter\n");
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return -ENODEV;
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}
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client = i2c_new_device(adapter, &info);
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i2c_put_adapter(adapter);
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if (!client) {
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printk(KERN_DEBUG "can't add i2c device\n");
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return -ENODEV;
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}
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return 0;
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}
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static struct platform_device *fsi_snd_device;
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static int __init fsi_ak4642_init(void)
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{
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int ret = -ENOMEM;
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ak4642_add_i2c_device();
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fsi_snd_device = platform_device_alloc("soc-audio", -1);
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if (!fsi_snd_device)
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goto out;
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platform_set_drvdata(fsi_snd_device,
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&fsi_snd_devdata);
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fsi_snd_devdata.dev = &fsi_snd_device->dev;
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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 void __exit fsi_ak4642_exit(void)
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{
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platform_device_unregister(fsi_snd_device);
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}
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module_init(fsi_ak4642_init);
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module_exit(fsi_ak4642_exit);
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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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