[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 <asm/arch/pxa-regs.h>
#include <asm/arch/hardware.h>
#include <asm/arch/poodle.h>
#include <asm/arch/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)
{
	int spk = 0;

	/* 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_set_endpoint(codec, "Headphone Jack", 1);
	} 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_set_endpoint(codec, "Headphone Jack", 0);
	}

	if (poodle_spk_func == POODLE_SPK_ON)
		spk = 1;

	/* set the enpoints to their new connetion states */
	snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);

	/* signal a DAPM event */
	snd_soc_dapm_sync_endpoints(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 int poodle_shutdown(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->socdev->codec;

	/* 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);
	return 0;
}

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_codec_dai *codec_dai = rtd->dai->codec_dai;
	struct snd_soc_cpu_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 = codec_dai->dai_ops.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 = cpu_dai->dai_ops.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 = codec_dai->dai_ops.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 = cpu_dai->dai_ops.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 snd_kcontrol_new_t 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_set_endpoint(codec, "LLINEIN", 0);
	snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
	snd_soc_dapm_set_endpoint(codec, "MICIN", 1);

	/* 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_endpoints(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_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>
	29	#include <asm/arch/pxa-regs.h>
	30	#include <asm/arch/hardware.h>
	31	#include <asm/arch/poodle.h>
	32	#include <asm/arch/audio.h>
	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	{
	51	int spk = 0;
	52
	53	/* set up jack connection */
	54	if (poodle_jack_func == POODLE_HP) {
	55	/* set = unmute headphone */
	56	locomo_gpio_write(&poodle_locomo_device.dev,
	57	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	58	locomo_gpio_write(&poodle_locomo_device.dev,
	59	POODLE_LOCOMO_GPIO_MUTE_R, 1);
	60	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
	61	} else {
	62	locomo_gpio_write(&poodle_locomo_device.dev,
	63	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	64	locomo_gpio_write(&poodle_locomo_device.dev,
	65	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	66	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
	67	}
	68
	69	if (poodle_spk_func == POODLE_SPK_ON)
	70	spk = 1;
	71
	72	/* set the enpoints to their new connetion states */
	73	snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
	74
	75	/* signal a DAPM event */
	76	snd_soc_dapm_sync_endpoints(codec);
	77	}
	78
	79	static int poodle_startup(struct snd_pcm_substream *substream)
	80	{
	81	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	82	struct snd_soc_codec *codec = rtd->socdev->codec;
	83
	84	/* check the jack status at stream startup */
	85	poodle_ext_control(codec);
	86	return 0;
	87	}
	88
	89	/* we need to unmute the HP at shutdown as the mute burns power on poodle */
	90	static int poodle_shutdown(struct snd_pcm_substream *substream)
	91	{
	92	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	93	struct snd_soc_codec *codec = rtd->socdev->codec;
	94
	95	/* set = unmute headphone */
	96	locomo_gpio_write(&poodle_locomo_device.dev,
	97	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	98	locomo_gpio_write(&poodle_locomo_device.dev,
	99	POODLE_LOCOMO_GPIO_MUTE_R, 1);
	100	return 0;
101	}
102
73f40dc1 LG	103	static int poodle_hw_params(struct snd_pcm_substream *substream,
	104	struct snd_pcm_hw_params *params)
	105	{
	106	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	107	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
	108	struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
	109	unsigned int clk = 0;
	110	int ret = 0;
	111
	112	switch (params_rate(params)) {
	113	case 8000:
	114	case 16000:
	115	case 48000:
	116	case 96000:
	117	clk = 12288000;
	118	break;
	119	case 11025:
	120	case 22050:
	121	case 44100:
	122	clk = 11289600;
	123	break;
	124	}
	125
	126	/* set codec DAI configuration */
	127	ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
	128	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	129	if (ret < 0)
	130	return ret;
	131
	132	/* set cpu DAI configuration */
	133	ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
	134	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	135	if (ret < 0)
	136	return ret;
	137
	138	/* set the codec system clock for DAC and ADC */
	139	ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
	140	SND_SOC_CLOCK_IN);
	141	if (ret < 0)
	142	return ret;
	143
	144	/* set the I2S system clock as input (unused) */
	145	ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
	146	SND_SOC_CLOCK_IN);
	147	if (ret < 0)
	148	return ret;
	149
	150	return 0;
	151	}
	152
6e24dd93 LG	153	static struct snd_soc_ops poodle_ops = {
6e24dd93 LG	154	.startup = poodle_startup,
73f40dc1	155	.hw_params = poodle_hw_params,
6e24dd93 LG	156	.shutdown = poodle_shutdown,
	157	};
	158
	159	static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	160	struct snd_ctl_elem_value *ucontrol)
	161	{
	162	ucontrol->value.integer.value[0] = poodle_jack_func;
	163	return 0;
	164	}
	165
	166	static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	167	struct snd_ctl_elem_value *ucontrol)
	168	{
	169	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	170
	171	if (poodle_jack_func == ucontrol->value.integer.value[0])
	172	return 0;
	173
	174	poodle_jack_func = ucontrol->value.integer.value[0];
	175	poodle_ext_control(codec);
	176	return 1;
	177	}
	178
	179	static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	180	struct snd_ctl_elem_value *ucontrol)
	181	{
	182	ucontrol->value.integer.value[0] = poodle_spk_func;
	183	return 0;
	184	}
	185
	186	static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	187	struct snd_ctl_elem_value *ucontrol)
	188	{
	189	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	190
	191	if (poodle_spk_func == ucontrol->value.integer.value[0])
	192	return 0;
	193
	194	poodle_spk_func = ucontrol->value.integer.value[0];
	195	poodle_ext_control(codec);
	196	return 1;
	197	}
	198
338c7ed0 JN	199	static int poodle_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	200	struct snd_kcontrol *k, int event)
6e24dd93 LG	201	{
	202	if (SND_SOC_DAPM_EVENT_ON(event))
	203	locomo_gpio_write(&poodle_locomo_device.dev,
	204	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	205	else
	206	locomo_gpio_write(&poodle_locomo_device.dev,
	207	POODLE_LOCOMO_GPIO_AMP_ON, 1);
	208
	209	return 0;
	210	}
	211
	212	/* poodle machine dapm widgets */
	213	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	214	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	215	SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
	216	};
	217
25191c45 MB	218	/* Corgi machine connections to the codec pins */
25191c45 MB	219	static const struct snd_soc_dapm_route audio_map[] = {
6e24dd93 LG	220
	221	/* headphone connected to LHPOUT1, RHPOUT1 */
	222	{"Headphone Jack", NULL, "LHPOUT"},
	223	{"Headphone Jack", NULL, "RHPOUT"},
	224
	225	/* speaker connected to LOUT, ROUT */
	226	{"Ext Spk", NULL, "ROUT"},
	227	{"Ext Spk", NULL, "LOUT"},
6e24dd93 LG	228	};
	229
	230	static const char *jack_function[] = {"Off", "Headphone"};
	231	static const char *spk_function[] = {"Off", "On"};
	232	static const struct soc_enum poodle_enum[] = {
	233	SOC_ENUM_SINGLE_EXT(2, jack_function),
	234	SOC_ENUM_SINGLE_EXT(2, spk_function),
	235	};
	236
	237	static const snd_kcontrol_new_t wm8731_poodle_controls[] = {
	238	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
	239	poodle_set_jack),
	240	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
	241	poodle_set_spk),
	242	};
	243
	244	/*
	245	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	246	*/
	247	static int poodle_wm8731_init(struct snd_soc_codec *codec)
	248	{
	249	int i, err;
	250
	251	snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
	252	snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
	253	snd_soc_dapm_set_endpoint(codec, "MICIN", 1);
	254
	255	/* Add poodle specific controls */
	256	for (i = 0; i < ARRAY_SIZE(wm8731_poodle_controls); i++) {
	257	err = snd_ctl_add(codec->card,
29e36e49	258	snd_soc_cnew(&wm8731_poodle_controls[i], codec, NULL));
6e24dd93 LG	259	if (err < 0)
	260	return err;
	261	}
	262
	263	/* Add poodle specific widgets */
25191c45 MB	264	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
25191c45 MB	265	ARRAY_SIZE(wm8731_dapm_widgets));
6e24dd93 LG	266
6e24dd93 LG	267	/* Set up poodle specific audio path audio_map */
25191c45	268	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
6e24dd93 LG	269
	270	snd_soc_dapm_sync_endpoints(codec);
	271	return 0;
	272	}
	273
6e24dd93 LG	274	/* poodle digital audio interface glue - connects codec <--> CPU */
	275	static struct snd_soc_dai_link poodle_dai = {
	276	.name = "WM8731",
	277	.stream_name = "WM8731",
	278	.cpu_dai = &pxa_i2s_dai,
	279	.codec_dai = &wm8731_dai,
	280	.init = poodle_wm8731_init,
73f40dc1	281	.ops = &poodle_ops,
6e24dd93 LG	282	};
	283
	284	/* poodle audio machine driver */
	285	static struct snd_soc_machine snd_soc_machine_poodle = {
	286	.name = "Poodle",
	287	.dai_link = &poodle_dai,
	288	.num_links = 1,
6e24dd93 LG	289	};
	290
	291	/* poodle audio private data */
	292	static struct wm8731_setup_data poodle_wm8731_setup = {
	293	.i2c_address = 0x1b,
	294	};
	295
	296	/* poodle audio subsystem */
	297	static struct snd_soc_device poodle_snd_devdata = {
	298	.machine = &snd_soc_machine_poodle,
	299	.platform = &pxa2xx_soc_platform,
	300	.codec_dev = &soc_codec_dev_wm8731,
	301	.codec_data = &poodle_wm8731_setup,
	302	};
	303
	304	static struct platform_device *poodle_snd_device;
	305
	306	static int __init poodle_init(void)
	307	{
	308	int ret;
	309
	310	if (!machine_is_poodle())
	311	return -ENODEV;
	312
	313	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	314	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	315	/* should we mute HP at startup - burning power ?*/
	316	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	317	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	318	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	319	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	320
	321	poodle_snd_device = platform_device_alloc("soc-audio", -1);
	322	if (!poodle_snd_device)
	323	return -ENOMEM;
	324
	325	platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
	326	poodle_snd_devdata.dev = &poodle_snd_device->dev;
	327	ret = platform_device_add(poodle_snd_device);
	328
	329	if (ret)
	330	platform_device_put(poodle_snd_device);
	331
	332	return ret;
	333	}
	334
	335	static void __exit poodle_exit(void)
	336	{
	337	platform_device_unregister(poodle_snd_device);
	338	}
	339
	340	module_init(poodle_init);
	341	module_exit(poodle_exit);
	342
	343	/* Module information */
	344	MODULE_AUTHOR("Richard Purdie");
	345	MODULE_DESCRIPTION("ALSA SoC Poodle");
	346	MODULE_LICENSE("GPL");