[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / pxa / poodle.c

/*
 * poodle.c  --  SoC audio for Poodle
 *
 * 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/timer.h>
#include <linux/interrupt.h>
#include <linux/platform_device.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/hardware/locomo.h>
#include <mach/pxa-regs.h>
#include <mach/hardware.h>
#include <mach/poodle.h>
#include <mach/audio.h>

#include "../codecs/wm8731.h"
#include "pxa2xx-pcm.h"
#include "pxa2xx-i2s.h"

#define POODLE_HP        1
#define POODLE_HP_OFF    0
#define POODLE_SPK_ON    1
#define POODLE_SPK_OFF   0

 /* audio clock in Hz - rounded from 12.235MHz */
#define POODLE_AUDIO_CLOCK 12288000

static int poodle_jack_func;
static int poodle_spk_func;

static void poodle_ext_control(struct snd_soc_codec *codec)
{
	/* set up jack connection */
	if (poodle_jack_func == POODLE_HP) {
		/* set = unmute headphone */
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_MUTE_L, 1);
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_MUTE_R, 1);
		snd_soc_dapm_enable_pin(codec, "Headphone Jack");
	} else {
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_MUTE_L, 0);
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_MUTE_R, 0);
		snd_soc_dapm_disable_pin(codec, "Headphone Jack");
	}

	/* set the enpoints to their new connetion states */
	if (poodle_spk_func == POODLE_SPK_ON)
		snd_soc_dapm_enable_pin(codec, "Ext Spk");
	else
		snd_soc_dapm_disable_pin(codec, "Ext Spk");

	/* signal a DAPM event */
	snd_soc_dapm_sync(codec);
}

static int poodle_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->socdev->codec;

	/* check the jack status at stream startup */
	poodle_ext_control(codec);
	return 0;
}

/* we need to unmute the HP at shutdown as the mute burns power on poodle */
static void poodle_shutdown(struct snd_pcm_substream *substream)
{
	/* set = unmute headphone */
	locomo_gpio_write(&poodle_locomo_device.dev,
		POODLE_LOCOMO_GPIO_MUTE_L, 1);
	locomo_gpio_write(&poodle_locomo_device.dev,
		POODLE_LOCOMO_GPIO_MUTE_R, 1);
}

static int poodle_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
	unsigned int clk = 0;
	int ret = 0;

	switch (params_rate(params)) {
	case 8000:
	case 16000:
	case 48000:
	case 96000:
		clk = 12288000;
		break;
	case 11025:
	case 22050:
	case 44100:
		clk = 11289600;
		break;
	}

	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set cpu DAI configuration */
	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0)
		return ret;

	/* set the codec system clock for DAC and ADC */
	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK, clk,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	/* set the I2S system clock as input (unused) */
	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		return ret;

	return 0;
}

static struct snd_soc_ops poodle_ops = {
	.startup = poodle_startup,
	.hw_params = poodle_hw_params,
	.shutdown = poodle_shutdown,
};

static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = poodle_jack_func;
	return 0;
}

static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (poodle_jack_func == ucontrol->value.integer.value[0])
		return 0;

	poodle_jack_func = ucontrol->value.integer.value[0];
	poodle_ext_control(codec);
	return 1;
}

static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = poodle_spk_func;
	return 0;
}

static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (poodle_spk_func == ucontrol->value.integer.value[0])
		return 0;

	poodle_spk_func = ucontrol->value.integer.value[0];
	poodle_ext_control(codec);
	return 1;
}

static int poodle_amp_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_AMP_ON, 0);
	else
		locomo_gpio_write(&poodle_locomo_device.dev,
			POODLE_LOCOMO_GPIO_AMP_ON, 1);

	return 0;
}

/* poodle machine dapm widgets */
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
};

/* Corgi machine connections to the codec pins */
static const struct snd_soc_dapm_route audio_map[] = {

	/* headphone connected to LHPOUT1, RHPOUT1 */
	{"Headphone Jack", NULL, "LHPOUT"},
	{"Headphone Jack", NULL, "RHPOUT"},

	/* speaker connected to LOUT, ROUT */
	{"Ext Spk", NULL, "ROUT"},
	{"Ext Spk", NULL, "LOUT"},
};

static const char *jack_function[] = {"Off", "Headphone"};
static const char *spk_function[] = {"Off", "On"};
static const struct soc_enum poodle_enum[] = {
	SOC_ENUM_SINGLE_EXT(2, jack_function),
	SOC_ENUM_SINGLE_EXT(2, spk_function),
};

static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
		poodle_set_jack),
	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
		poodle_set_spk),
};

/*
 * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
 */
static int poodle_wm8731_init(struct snd_soc_codec *codec)
{
	int i, err;

	snd_soc_dapm_disable_pin(codec, "LLINEIN");
	snd_soc_dapm_disable_pin(codec, "RLINEIN");
	snd_soc_dapm_enable_pin(codec, "MICIN");

	/* Add poodle specific controls */
	for (i = 0; i < ARRAY_SIZE(wm8731_poodle_controls); i++) {
		err = snd_ctl_add(codec->card,
			snd_soc_cnew(&wm8731_poodle_controls[i], codec, NULL));
		if (err < 0)
			return err;
	}

	/* Add poodle specific widgets */
	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
				  ARRAY_SIZE(wm8731_dapm_widgets));

	/* Set up poodle specific audio path audio_map */
	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));

	snd_soc_dapm_sync(codec);
	return 0;
}

/* poodle digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link poodle_dai = {
	.name = "WM8731",
	.stream_name = "WM8731",
	.cpu_dai = &pxa_i2s_dai,
	.codec_dai = &wm8731_dai,
	.init = poodle_wm8731_init,
	.ops = &poodle_ops,
};

/* poodle audio machine driver */
static struct snd_soc_machine snd_soc_machine_poodle = {
	.name = "Poodle",
	.dai_link = &poodle_dai,
	.num_links = 1,
};

/* poodle audio private data */
static struct wm8731_setup_data poodle_wm8731_setup = {
	.i2c_bus = 0,
	.i2c_address = 0x1b,
};

/* poodle audio subsystem */
static struct snd_soc_device poodle_snd_devdata = {
	.machine = &snd_soc_machine_poodle,
	.platform = &pxa2xx_soc_platform,
	.codec_dev = &soc_codec_dev_wm8731,
	.codec_data = &poodle_wm8731_setup,
};

static struct platform_device *poodle_snd_device;

static int __init poodle_init(void)
{
	int ret;

	if (!machine_is_poodle())
		return -ENODEV;

	locomo_gpio_set_dir(&poodle_locomo_device.dev,
		POODLE_LOCOMO_GPIO_AMP_ON, 0);
	/* should we mute HP at startup - burning power ?*/
	locomo_gpio_set_dir(&poodle_locomo_device.dev,
		POODLE_LOCOMO_GPIO_MUTE_L, 0);
	locomo_gpio_set_dir(&poodle_locomo_device.dev,
		POODLE_LOCOMO_GPIO_MUTE_R, 0);

	poodle_snd_device = platform_device_alloc("soc-audio", -1);
	if (!poodle_snd_device)
		return -ENOMEM;

	platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
	poodle_snd_devdata.dev = &poodle_snd_device->dev;
	ret = platform_device_add(poodle_snd_device);

	if (ret)
		platform_device_put(poodle_snd_device);

	return ret;
}

static void __exit poodle_exit(void)
{
	platform_device_unregister(poodle_snd_device);
}

module_init(poodle_init);
module_exit(poodle_exit);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Poodle");
MODULE_LICENSE("GPL");
Commit	Line	Data
6e24dd93 LG	1	/*
	2	* poodle.c -- SoC audio for Poodle
	3	*
	4	* Copyright 2005 Wolfson Microelectronics PLC.
	5	* Copyright 2005 Openedhand Ltd.
	6	*
	7	* Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
	8	* Richard Purdie <richard@openedhand.com>
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	*/
	16
	17	#include <linux/module.h>
	18	#include <linux/moduleparam.h>
	19	#include <linux/timer.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/platform_device.h>
6e24dd93 LG	22	#include <sound/core.h>
	23	#include <sound/pcm.h>
	24	#include <sound/soc.h>
	25	#include <sound/soc-dapm.h>
	26
	27	#include <asm/mach-types.h>
	28	#include <asm/hardware/locomo.h>
a09e64fb RK	29	#include <mach/pxa-regs.h>
	30	#include <mach/hardware.h>
	31	#include <mach/poodle.h>
	32	#include <mach/audio.h>
6e24dd93 LG	33
	34	#include "../codecs/wm8731.h"
	35	#include "pxa2xx-pcm.h"
73f40dc1	36	#include "pxa2xx-i2s.h"
6e24dd93 LG	37
	38	#define POODLE_HP 1
	39	#define POODLE_HP_OFF 0
	40	#define POODLE_SPK_ON 1
	41	#define POODLE_SPK_OFF 0
	42
	43	/* audio clock in Hz - rounded from 12.235MHz */
	44	#define POODLE_AUDIO_CLOCK 12288000
	45
	46	static int poodle_jack_func;
	47	static int poodle_spk_func;
	48
	49	static void poodle_ext_control(struct snd_soc_codec *codec)
	50	{
6e24dd93 LG	51	/* set up jack connection */
	52	if (poodle_jack_func == POODLE_HP) {
	53	/* set = unmute headphone */
	54	locomo_gpio_write(&poodle_locomo_device.dev,
	55	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	56	locomo_gpio_write(&poodle_locomo_device.dev,
	57	POODLE_LOCOMO_GPIO_MUTE_R, 1);
a5302181	58	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
6e24dd93 LG	59	} else {
	60	locomo_gpio_write(&poodle_locomo_device.dev,
	61	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	62	locomo_gpio_write(&poodle_locomo_device.dev,
	63	POODLE_LOCOMO_GPIO_MUTE_R, 0);
a5302181	64	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
6e24dd93 LG	65	}
6e24dd93 LG	66
6e24dd93	67	/* set the enpoints to their new connetion states */
a5302181 LG	68	if (poodle_spk_func == POODLE_SPK_ON)
	69	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	70	else
	71	snd_soc_dapm_disable_pin(codec, "Ext Spk");
6e24dd93 LG	72
6e24dd93 LG	73	/* signal a DAPM event */
a5302181	74	snd_soc_dapm_sync(codec);
6e24dd93 LG	75	}
	76
	77	static int poodle_startup(struct snd_pcm_substream *substream)
	78	{
	79	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	80	struct snd_soc_codec *codec = rtd->socdev->codec;
	81
	82	/* check the jack status at stream startup */
	83	poodle_ext_control(codec);
	84	return 0;
	85	}
	86
	87	/* we need to unmute the HP at shutdown as the mute burns power on poodle */
877db3c1	88	static void poodle_shutdown(struct snd_pcm_substream *substream)
6e24dd93	89	{
6e24dd93 LG	90	/* set = unmute headphone */
	91	locomo_gpio_write(&poodle_locomo_device.dev,
	92	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	93	locomo_gpio_write(&poodle_locomo_device.dev,
	94	POODLE_LOCOMO_GPIO_MUTE_R, 1);
6e24dd93 LG	95	}
6e24dd93 LG	96
73f40dc1 LG	97	static int poodle_hw_params(struct snd_pcm_substream *substream,
	98	struct snd_pcm_hw_params *params)
	99	{
	100	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac LG	101	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
917f93ac LG	102	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
73f40dc1 LG	103	unsigned int clk = 0;
	104	int ret = 0;
	105
	106	switch (params_rate(params)) {
	107	case 8000:
	108	case 16000:
	109	case 48000:
	110	case 96000:
	111	clk = 12288000;
	112	break;
	113	case 11025:
	114	case 22050:
	115	case 44100:
	116	clk = 11289600;
	117	break;
	118	}
	119
	120	/* set codec DAI configuration */
64105cfd	121	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	122	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	123	if (ret < 0)
	124	return ret;
	125
	126	/* set cpu DAI configuration */
64105cfd	127	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	128	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	129	if (ret < 0)
	130	return ret;
	131
	132	/* set the codec system clock for DAC and ADC */
64105cfd	133	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK, clk,
73f40dc1 LG	134	SND_SOC_CLOCK_IN);
	135	if (ret < 0)
	136	return ret;
	137
	138	/* set the I2S system clock as input (unused) */
64105cfd	139	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
73f40dc1 LG	140	SND_SOC_CLOCK_IN);
	141	if (ret < 0)
	142	return ret;
	143
	144	return 0;
	145	}
	146
6e24dd93 LG	147	static struct snd_soc_ops poodle_ops = {
6e24dd93 LG	148	.startup = poodle_startup,
73f40dc1	149	.hw_params = poodle_hw_params,
6e24dd93 LG	150	.shutdown = poodle_shutdown,
	151	};
	152
	153	static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	154	struct snd_ctl_elem_value *ucontrol)
	155	{
	156	ucontrol->value.integer.value[0] = poodle_jack_func;
	157	return 0;
	158	}
	159
	160	static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	161	struct snd_ctl_elem_value *ucontrol)
	162	{
	163	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	164
	165	if (poodle_jack_func == ucontrol->value.integer.value[0])
	166	return 0;
	167
	168	poodle_jack_func = ucontrol->value.integer.value[0];
	169	poodle_ext_control(codec);
	170	return 1;
	171	}
	172
	173	static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	174	struct snd_ctl_elem_value *ucontrol)
	175	{
	176	ucontrol->value.integer.value[0] = poodle_spk_func;
	177	return 0;
	178	}
	179
	180	static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	181	struct snd_ctl_elem_value *ucontrol)
	182	{
	183	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	184
	185	if (poodle_spk_func == ucontrol->value.integer.value[0])
	186	return 0;
	187
	188	poodle_spk_func = ucontrol->value.integer.value[0];
	189	poodle_ext_control(codec);
	190	return 1;
	191	}
	192
338c7ed0 JN	193	static int poodle_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	194	struct snd_kcontrol *k, int event)
6e24dd93 LG	195	{
	196	if (SND_SOC_DAPM_EVENT_ON(event))
	197	locomo_gpio_write(&poodle_locomo_device.dev,
	198	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	199	else
	200	locomo_gpio_write(&poodle_locomo_device.dev,
	201	POODLE_LOCOMO_GPIO_AMP_ON, 1);
	202
	203	return 0;
	204	}
	205
	206	/* poodle machine dapm widgets */
	207	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	208	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	209	SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
	210	};
	211
25191c45 MB	212	/* Corgi machine connections to the codec pins */
25191c45 MB	213	static const struct snd_soc_dapm_route audio_map[] = {
6e24dd93 LG	214
	215	/* headphone connected to LHPOUT1, RHPOUT1 */
	216	{"Headphone Jack", NULL, "LHPOUT"},
	217	{"Headphone Jack", NULL, "RHPOUT"},
	218
	219	/* speaker connected to LOUT, ROUT */
	220	{"Ext Spk", NULL, "ROUT"},
	221	{"Ext Spk", NULL, "LOUT"},
6e24dd93 LG	222	};
	223
	224	static const char *jack_function[] = {"Off", "Headphone"};
	225	static const char *spk_function[] = {"Off", "On"};
	226	static const struct soc_enum poodle_enum[] = {
	227	SOC_ENUM_SINGLE_EXT(2, jack_function),
	228	SOC_ENUM_SINGLE_EXT(2, spk_function),
	229	};
	230
877db3c1	231	static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
6e24dd93 LG	232	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
	233	poodle_set_jack),
	234	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
	235	poodle_set_spk),
	236	};
	237
	238	/*
	239	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	240	*/
	241	static int poodle_wm8731_init(struct snd_soc_codec *codec)
	242	{
	243	int i, err;
	244
a5302181 LG	245	snd_soc_dapm_disable_pin(codec, "LLINEIN");
	246	snd_soc_dapm_disable_pin(codec, "RLINEIN");
	247	snd_soc_dapm_enable_pin(codec, "MICIN");
6e24dd93 LG	248
	249	/* Add poodle specific controls */
	250	for (i = 0; i < ARRAY_SIZE(wm8731_poodle_controls); i++) {
	251	err = snd_ctl_add(codec->card,
29e36e49	252	snd_soc_cnew(&wm8731_poodle_controls[i], codec, NULL));
6e24dd93 LG	253	if (err < 0)
	254	return err;
	255	}
	256
	257	/* Add poodle specific widgets */
25191c45 MB	258	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
25191c45 MB	259	ARRAY_SIZE(wm8731_dapm_widgets));
6e24dd93 LG	260
6e24dd93 LG	261	/* Set up poodle specific audio path audio_map */
25191c45	262	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
6e24dd93	263
a5302181	264	snd_soc_dapm_sync(codec);
6e24dd93 LG	265	return 0;
	266	}
	267
6e24dd93 LG	268	/* poodle digital audio interface glue - connects codec <--> CPU */
	269	static struct snd_soc_dai_link poodle_dai = {
	270	.name = "WM8731",
	271	.stream_name = "WM8731",
	272	.cpu_dai = &pxa_i2s_dai,
	273	.codec_dai = &wm8731_dai,
	274	.init = poodle_wm8731_init,
73f40dc1	275	.ops = &poodle_ops,
6e24dd93 LG	276	};
	277
	278	/* poodle audio machine driver */
	279	static struct snd_soc_machine snd_soc_machine_poodle = {
	280	.name = "Poodle",
	281	.dai_link = &poodle_dai,
	282	.num_links = 1,
6e24dd93 LG	283	};
	284
	285	/* poodle audio private data */
	286	static struct wm8731_setup_data poodle_wm8731_setup = {
81297c8a	287	.i2c_bus = 0,
6e24dd93 LG	288	.i2c_address = 0x1b,
	289	};
	290
	291	/* poodle audio subsystem */
	292	static struct snd_soc_device poodle_snd_devdata = {
	293	.machine = &snd_soc_machine_poodle,
	294	.platform = &pxa2xx_soc_platform,
	295	.codec_dev = &soc_codec_dev_wm8731,
	296	.codec_data = &poodle_wm8731_setup,
	297	};
	298
	299	static struct platform_device *poodle_snd_device;
	300
	301	static int __init poodle_init(void)
	302	{
	303	int ret;
	304
	305	if (!machine_is_poodle())
	306	return -ENODEV;
	307
	308	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	309	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	310	/* should we mute HP at startup - burning power ?*/
	311	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	312	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	313	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	314	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	315
	316	poodle_snd_device = platform_device_alloc("soc-audio", -1);
	317	if (!poodle_snd_device)
	318	return -ENOMEM;
	319
	320	platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
	321	poodle_snd_devdata.dev = &poodle_snd_device->dev;
	322	ret = platform_device_add(poodle_snd_device);
	323
	324	if (ret)
	325	platform_device_put(poodle_snd_device);
	326
	327	return ret;
	328	}
	329
	330	static void __exit poodle_exit(void)
	331	{
	332	platform_device_unregister(poodle_snd_device);
	333	}
	334
	335	module_init(poodle_init);
	336	module_exit(poodle_exit);
	337
	338	/* Module information */
	339	MODULE_AUTHOR("Richard Purdie");
	340	MODULE_DESCRIPTION("ALSA SoC Poodle");
	341	MODULE_LICENSE("GPL");