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Commit 142054a3 authored by Mike Rapoport's avatar Mike Rapoport Committed by Takashi Iwai
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[ALSA] Add EM-X270 ASoC driver 



This patch adds ASoC support for EM-X270 machine.

Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 62cf872a

sound/soc/pxa/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -62,3 +62,12 @@ config SND_PXA2XX_SOC_E800 
	help

	  Say Y if you want to add support for SoC audio on the

	  Toshiba e800 PDA



config SND_PXA2XX_SOC_EM_X270

	tristate "SoC Audio support for CompuLab EM-x270"

	depends on SND_PXA2XX_SOC && MACH_EM_X270

	select SND_PXA2XX_SOC_AC97

	select SND_SOC_WM9712

	help

	  Say Y if you want to add support for SoC audio on

	  CompuLab EM-x270.

sound/soc/pxa/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -13,10 +13,11 @@ snd-soc-poodle-objs := poodle.o 
snd-soc-tosa-objs := tosa.o

snd-soc-e800-objs := e800_wm9712.o

snd-soc-spitz-objs := spitz.o

snd-soc-em-x270-objs := em-x270.o



obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o

obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o

obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o

obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o

obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o

obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o

sound/soc/pxa/em-x270.c

0 → 100644
+102 −0
Original line number Diff line number Diff line 
/*

 * em-x270.c  --  SoC audio for EM-X270

 *

 * Copyright 2007 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 <liam.girdwood@wolfsonmicro.com>

 *          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/driver.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/soc.h>

#include <sound/soc-dapm.h>



#include <asm/mach-types.h>

#include <asm/arch/pxa-regs.h>

#include <asm/arch/hardware.h>

#include <asm/arch/audio.h>



#include "../codecs/wm9712.h"

#include "pxa2xx-pcm.h"

#include "pxa2xx-ac97.h"



static struct snd_soc_dai_link em_x270_dai[] = {

	{

		.name = "AC97",

		.stream_name = "AC97 HiFi",

		.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],

		.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],

	},

	{

		.name = "AC97 Aux",

		.stream_name = "AC97 Aux",

		.cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],

		.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],

	},

};



static struct snd_soc_machine em_x270 = {

	.name = "EM-X270",

	.dai_link = em_x270_dai,

	.num_links = ARRAY_SIZE(em_x270_dai),

};



static struct snd_soc_device em_x270_snd_devdata = {

	.machine = &em_x270,

	.platform = &pxa2xx_soc_platform,

	.codec_dev = &soc_codec_dev_wm9712,

};



static struct platform_device *em_x270_snd_device;



static int __init em_x270_init(void)

{

	int ret;



	if (!machine_is_em_x270())

		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_snd_devdata);

	em_x270_snd_devdata.dev = &em_x270_snd_device->dev;

	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");

MODULE_LICENSE("GPL");