[deliverable/linux.git] / sound / soc / pxa / poodle.c

/*
 * poodle.c  --  SoC audio for Poodle
 *
 * 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/timer.h>
#include <linux/i2c.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/poodle.h>
#include <mach/audio.h>

#include "../codecs/wm8731.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->codec;

	mutex_lock(&codec->mutex);

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

	mutex_unlock(&codec->mutex);

	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->codec_dai;
	struct snd_soc_dai *cpu_dai = rtd->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_XTAL, 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_pcm_runtime *rtd)
{
	struct snd_soc_codec *codec = rtd->codec;
	int err;

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

	/* Add poodle specific controls */
	err = snd_soc_add_controls(codec, wm8731_poodle_controls,
				ARRAY_SIZE(wm8731_poodle_controls));
	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_name = "pxa2xx-i2s",
	.codec_dai_name = "wm8731-hifi",
	.platform_name = "pxa-pcm-audio",
	.codec_name = "wm8731-codec.0-001a",
	.init = poodle_wm8731_init,
	.ops = &poodle_ops,
};

/* poodle audio machine driver */
static struct snd_soc_card snd_soc_poodle = {
	.name = "Poodle",
	.dai_link = &poodle_dai,
	.num_links = 1,
	.owner = THIS_MODULE,
};

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, &snd_soc_poodle);
	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	*
d331124d	7	* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
6e24dd93 LG	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>
fc996757	20	#include <linux/i2c.h>
6e24dd93 LG	21	#include <linux/interrupt.h>
6e24dd93 LG	22	#include <linux/platform_device.h>
6e24dd93 LG	23	#include <sound/core.h>
	24	#include <sound/pcm.h>
	25	#include <sound/soc.h>
	26	#include <sound/soc-dapm.h>
	27
	28	#include <asm/mach-types.h>
	29	#include <asm/hardware/locomo.h>
a09e64fb RK	30	#include <mach/poodle.h>
a09e64fb RK	31	#include <mach/audio.h>
6e24dd93 LG	32
6e24dd93 LG	33	#include "../codecs/wm8731.h"
73f40dc1	34	#include "pxa2xx-i2s.h"
6e24dd93 LG	35
	36	#define POODLE_HP 1
	37	#define POODLE_HP_OFF 0
	38	#define POODLE_SPK_ON 1
	39	#define POODLE_SPK_OFF 0
	40
	41	/* audio clock in Hz - rounded from 12.235MHz */
	42	#define POODLE_AUDIO_CLOCK 12288000
	43
	44	static int poodle_jack_func;
	45	static int poodle_spk_func;
	46
	47	static void poodle_ext_control(struct snd_soc_codec *codec)
	48	{
6e24dd93 LG	49	/* set up jack connection */
	50	if (poodle_jack_func == POODLE_HP) {
	51	/* set = unmute headphone */
	52	locomo_gpio_write(&poodle_locomo_device.dev,
	53	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	54	locomo_gpio_write(&poodle_locomo_device.dev,
	55	POODLE_LOCOMO_GPIO_MUTE_R, 1);
a5302181	56	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
6e24dd93 LG	57	} else {
	58	locomo_gpio_write(&poodle_locomo_device.dev,
	59	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	60	locomo_gpio_write(&poodle_locomo_device.dev,
	61	POODLE_LOCOMO_GPIO_MUTE_R, 0);
a5302181	62	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
6e24dd93 LG	63	}
6e24dd93 LG	64
6e24dd93	65	/* set the enpoints to their new connetion states */
a5302181 LG	66	if (poodle_spk_func == POODLE_SPK_ON)
	67	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	68	else
	69	snd_soc_dapm_disable_pin(codec, "Ext Spk");
6e24dd93 LG	70
6e24dd93 LG	71	/* signal a DAPM event */
a5302181	72	snd_soc_dapm_sync(codec);
6e24dd93 LG	73	}
	74
	75	static int poodle_startup(struct snd_pcm_substream *substream)
	76	{
	77	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad	78	struct snd_soc_codec *codec = rtd->codec;
6e24dd93	79
71a29560 MB	80	mutex_lock(&codec->mutex);
71a29560 MB	81
6e24dd93 LG	82	/* check the jack status at stream startup */
6e24dd93 LG	83	poodle_ext_control(codec);
71a29560 MB	84
	85	mutex_unlock(&codec->mutex);
	86
6e24dd93 LG	87	return 0;
	88	}
	89
	90	/* we need to unmute the HP at shutdown as the mute burns power on poodle */
877db3c1	91	static void poodle_shutdown(struct snd_pcm_substream *substream)
6e24dd93	92	{
6e24dd93 LG	93	/* set = unmute headphone */
	94	locomo_gpio_write(&poodle_locomo_device.dev,
	95	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	96	locomo_gpio_write(&poodle_locomo_device.dev,
	97	POODLE_LOCOMO_GPIO_MUTE_R, 1);
6e24dd93 LG	98	}
6e24dd93 LG	99
73f40dc1 LG	100	static int poodle_hw_params(struct snd_pcm_substream *substream,
	101	struct snd_pcm_hw_params *params)
	102	{
	103	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	104	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	105	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
73f40dc1 LG	106	unsigned int clk = 0;
	107	int ret = 0;
	108
	109	switch (params_rate(params)) {
	110	case 8000:
	111	case 16000:
	112	case 48000:
	113	case 96000:
	114	clk = 12288000;
	115	break;
	116	case 11025:
	117	case 22050:
	118	case 44100:
	119	clk = 11289600;
	120	break;
	121	}
	122
	123	/* set codec DAI configuration */
64105cfd	124	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	125	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	126	if (ret < 0)
	127	return ret;
	128
	129	/* set cpu DAI configuration */
64105cfd	130	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	131	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	132	if (ret < 0)
	133	return ret;
	134
	135	/* set the codec system clock for DAC and ADC */
e7712510	136	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
73f40dc1 LG	137	SND_SOC_CLOCK_IN);
	138	if (ret < 0)
	139	return ret;
	140
	141	/* set the I2S system clock as input (unused) */
64105cfd	142	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
73f40dc1 LG	143	SND_SOC_CLOCK_IN);
	144	if (ret < 0)
	145	return ret;
	146
	147	return 0;
	148	}
	149
6e24dd93 LG	150	static struct snd_soc_ops poodle_ops = {
6e24dd93 LG	151	.startup = poodle_startup,
73f40dc1	152	.hw_params = poodle_hw_params,
6e24dd93 LG	153	.shutdown = poodle_shutdown,
	154	};
	155
	156	static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	157	struct snd_ctl_elem_value *ucontrol)
	158	{
	159	ucontrol->value.integer.value[0] = poodle_jack_func;
	160	return 0;
	161	}
	162
	163	static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	164	struct snd_ctl_elem_value *ucontrol)
	165	{
	166	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	167
	168	if (poodle_jack_func == ucontrol->value.integer.value[0])
	169	return 0;
	170
	171	poodle_jack_func = ucontrol->value.integer.value[0];
	172	poodle_ext_control(codec);
	173	return 1;
	174	}
	175
	176	static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	177	struct snd_ctl_elem_value *ucontrol)
	178	{
	179	ucontrol->value.integer.value[0] = poodle_spk_func;
	180	return 0;
	181	}
	182
	183	static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	184	struct snd_ctl_elem_value *ucontrol)
	185	{
	186	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	187
	188	if (poodle_spk_func == ucontrol->value.integer.value[0])
	189	return 0;
	190
	191	poodle_spk_func = ucontrol->value.integer.value[0];
	192	poodle_ext_control(codec);
	193	return 1;
	194	}
	195
338c7ed0 JN	196	static int poodle_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	197	struct snd_kcontrol *k, int event)
6e24dd93 LG	198	{
	199	if (SND_SOC_DAPM_EVENT_ON(event))
	200	locomo_gpio_write(&poodle_locomo_device.dev,
	201	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	202	else
	203	locomo_gpio_write(&poodle_locomo_device.dev,
	204	POODLE_LOCOMO_GPIO_AMP_ON, 1);
	205
	206	return 0;
	207	}
	208
	209	/* poodle machine dapm widgets */
	210	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	211	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	212	SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
	213	};
	214
25191c45 MB	215	/* Corgi machine connections to the codec pins */
25191c45 MB	216	static const struct snd_soc_dapm_route audio_map[] = {
6e24dd93 LG	217
	218	/* headphone connected to LHPOUT1, RHPOUT1 */
	219	{"Headphone Jack", NULL, "LHPOUT"},
	220	{"Headphone Jack", NULL, "RHPOUT"},
	221
	222	/* speaker connected to LOUT, ROUT */
	223	{"Ext Spk", NULL, "ROUT"},
	224	{"Ext Spk", NULL, "LOUT"},
6e24dd93 LG	225	};
	226
	227	static const char *jack_function[] = {"Off", "Headphone"};
	228	static const char *spk_function[] = {"Off", "On"};
	229	static const struct soc_enum poodle_enum[] = {
	230	SOC_ENUM_SINGLE_EXT(2, jack_function),
	231	SOC_ENUM_SINGLE_EXT(2, spk_function),
	232	};
	233
877db3c1	234	static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
6e24dd93 LG	235	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
	236	poodle_set_jack),
	237	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
	238	poodle_set_spk),
	239	};
	240
	241	/*
	242	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	243	*/
f0fba2ad	244	static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd)
6e24dd93	245	{
f0fba2ad	246	struct snd_soc_codec *codec = rtd->codec;
eb5f6d75	247	int err;
6e24dd93	248
35f5e54d MB	249	snd_soc_dapm_nc_pin(codec, "LLINEIN");
35f5e54d MB	250	snd_soc_dapm_nc_pin(codec, "RLINEIN");
a5302181	251	snd_soc_dapm_enable_pin(codec, "MICIN");
6e24dd93 LG	252
6e24dd93 LG	253	/* Add poodle specific controls */
eb5f6d75 PZ	254	err = snd_soc_add_controls(codec, wm8731_poodle_controls,
	255	ARRAY_SIZE(wm8731_poodle_controls));
	256	if (err < 0)
	257	return err;
6e24dd93 LG	258
6e24dd93 LG	259	/* Add poodle specific widgets */
25191c45 MB	260	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
25191c45 MB	261	ARRAY_SIZE(wm8731_dapm_widgets));
6e24dd93 LG	262
6e24dd93 LG	263	/* Set up poodle specific audio path audio_map */
25191c45	264	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
6e24dd93	265
a5302181	266	snd_soc_dapm_sync(codec);
6e24dd93 LG	267	return 0;
	268	}
	269
6e24dd93 LG	270	/* poodle digital audio interface glue - connects codec <--> CPU */
	271	static struct snd_soc_dai_link poodle_dai = {
	272	.name = "WM8731",
	273	.stream_name = "WM8731",
a2a0086d	274	.cpu_dai_name = "pxa2xx-i2s",
1593d7dd	275	.codec_dai_name = "wm8731-hifi",
f0fba2ad LG	276	.platform_name = "pxa-pcm-audio",
f0fba2ad LG	277	.codec_name = "wm8731-codec.0-001a",
6e24dd93	278	.init = poodle_wm8731_init,
73f40dc1	279	.ops = &poodle_ops,
6e24dd93 LG	280	};
	281
	282	/* poodle audio machine driver */
87506549	283	static struct snd_soc_card snd_soc_poodle = {
6e24dd93 LG	284	.name = "Poodle",
	285	.dai_link = &poodle_dai,
	286	.num_links = 1,
f0fba2ad	287	.owner = THIS_MODULE,
6e24dd93 LG	288	};
	289
	290	static struct platform_device *poodle_snd_device;
	291
	292	static int __init poodle_init(void)
	293	{
	294	int ret;
	295
	296	if (!machine_is_poodle())
	297	return -ENODEV;
	298
	299	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	300	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	301	/* should we mute HP at startup - burning power ?*/
	302	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	303	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	304	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	305	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	306
	307	poodle_snd_device = platform_device_alloc("soc-audio", -1);
	308	if (!poodle_snd_device)
	309	return -ENOMEM;
	310
f0fba2ad	311	platform_set_drvdata(poodle_snd_device, &snd_soc_poodle);
6e24dd93 LG	312	ret = platform_device_add(poodle_snd_device);
	313
	314	if (ret)
	315	platform_device_put(poodle_snd_device);
	316
	317	return ret;
	318	}
	319
	320	static void __exit poodle_exit(void)
	321	{
	322	platform_device_unregister(poodle_snd_device);
	323	}
	324
	325	module_init(poodle_init);
	326	module_exit(poodle_exit);
	327
	328	/* Module information */
	329	MODULE_AUTHOR("Richard Purdie");
	330	MODULE_DESCRIPTION("ALSA SoC Poodle");
	331	MODULE_LICENSE("GPL");