em-x270.c
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/*
* SoC audio driver for EM-X270, eXeda and CM-X300
*
* Copyright 2007, 2009 CompuLab, Ltd.
*
* Author: Mike Rapoport <mike@compulab.co.il>
*
* Copied from tosa.c:
* Copyright 2005 Wolfson Microelectronics PLC.
* Copyright 2005 Openedhand Ltd.
*
* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
* Richard Purdie <richard@openedhand.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/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
#include <mach/audio.h>
#include "../codecs/wm9712.h"
#include "pxa2xx-ac97.h"
static struct snd_soc_dai_link em_x270_dai[] = {
{
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "pxa2xx-ac97",
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
},
{
.name = "AC97 Aux",
.stream_name = "AC97 Aux",
.cpu_dai_name = "pxa2xx-ac97-aux",
.codec_dai_name ="wm9712-aux",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
},
};
static struct snd_soc_card em_x270 = {
.name = "EM-X270",
.owner = THIS_MODULE,
.dai_link = em_x270_dai,
.num_links = ARRAY_SIZE(em_x270_dai),
};
static struct platform_device *em_x270_snd_device;
static int __init em_x270_init(void)
{
int ret;
if (!(machine_is_em_x270() || machine_is_exeda()
|| machine_is_cm_x300()))
return -ENODEV;
em_x270_snd_device = platform_device_alloc("soc-audio", -1);
if (!em_x270_snd_device)
return -ENOMEM;
platform_set_drvdata(em_x270_snd_device, &em_x270);
ret = platform_device_add(em_x270_snd_device);
if (ret)
platform_device_put(em_x270_snd_device);
return ret;
}
static void __exit em_x270_exit(void)
{
platform_device_unregister(em_x270_snd_device);
}
module_init(em_x270_init);
module_exit(em_x270_exit);
/* Module information */
MODULE_AUTHOR("Mike Rapoport");
MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300");
MODULE_LICENSE("GPL");