ab40d4f12c
Currently only the AUX channel is used (touchscreen) Signed-off-by: Ian Molton <spyro@f2s.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/*
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* e800-wm9712.c -- SoC audio for e800
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*
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* Based on tosa.c
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*
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* Copyright 2007 (c) Ian Molton <spyro@f2s.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; version 2 ONLY.
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*
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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/device.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 <asm/mach-types.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/audio.h>
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#include "../codecs/wm9712.h"
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#include "pxa2xx-pcm.h"
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#include "pxa2xx-ac97.h"
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static struct snd_soc_machine e800;
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static struct snd_soc_dai_link e800_dai[] = {
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{
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.name = "AC97 Aux",
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.stream_name = "AC97 Aux",
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.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
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.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
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},
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};
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static struct snd_soc_machine e800 = {
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.name = "Toshiba e800",
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.dai_link = e800_dai,
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.num_links = ARRAY_SIZE(e800_dai),
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};
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static struct snd_soc_device e800_snd_devdata = {
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.machine = &e800,
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.platform = &pxa2xx_soc_platform,
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.codec_dev = &soc_codec_dev_wm9712,
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};
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static struct platform_device *e800_snd_device;
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static int __init e800_init(void)
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{
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int ret;
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if (!machine_is_e800())
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return -ENODEV;
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e800_snd_device = platform_device_alloc("soc-audio", -1);
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if (!e800_snd_device)
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return -ENOMEM;
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platform_set_drvdata(e800_snd_device, &e800_snd_devdata);
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e800_snd_devdata.dev = &e800_snd_device->dev;
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ret = platform_device_add(e800_snd_device);
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if (ret)
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platform_device_put(e800_snd_device);
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return ret;
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}
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static void __exit e800_exit(void)
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{
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platform_device_unregister(e800_snd_device);
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}
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module_init(e800_init);
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module_exit(e800_exit);
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/* Module information */
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MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
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MODULE_DESCRIPTION("ALSA SoC driver for e800");
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MODULE_LICENSE("GPL");
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