[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 <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-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->card->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 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 = &pxa_i2s_dai,
	.codec_dai = &wm8731_dai,
	.init = poodle_wm8731_init,
	.ops = &poodle_ops,
};

/* poodle audio machine driver */
static struct snd_soc_card snd_soc_poodle = {
	.name = "Poodle",
	.platform = &pxa2xx_soc_platform,
	.dai_link = &poodle_dai,
	.num_links = 1,
};

/* poodle audio subsystem */
static struct snd_soc_device poodle_snd_devdata = {
	.card = &snd_soc_poodle,
	.codec_dev = &soc_codec_dev_wm8731,
};

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	*
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
	33	#include "../codecs/wm8731.h"
	34	#include "pxa2xx-pcm.h"
73f40dc1	35	#include "pxa2xx-i2s.h"
6e24dd93 LG	36
	37	#define POODLE_HP 1
	38	#define POODLE_HP_OFF 0
	39	#define POODLE_SPK_ON 1
	40	#define POODLE_SPK_OFF 0
	41
	42	/* audio clock in Hz - rounded from 12.235MHz */
	43	#define POODLE_AUDIO_CLOCK 12288000
	44
	45	static int poodle_jack_func;
	46	static int poodle_spk_func;
	47
	48	static void poodle_ext_control(struct snd_soc_codec *codec)
	49	{
6e24dd93 LG	50	/* set up jack connection */
	51	if (poodle_jack_func == POODLE_HP) {
	52	/* set = unmute headphone */
	53	locomo_gpio_write(&poodle_locomo_device.dev,
	54	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	55	locomo_gpio_write(&poodle_locomo_device.dev,
	56	POODLE_LOCOMO_GPIO_MUTE_R, 1);
a5302181	57	snd_soc_dapm_enable_pin(codec, "Headphone Jack");
6e24dd93 LG	58	} else {
	59	locomo_gpio_write(&poodle_locomo_device.dev,
	60	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	61	locomo_gpio_write(&poodle_locomo_device.dev,
	62	POODLE_LOCOMO_GPIO_MUTE_R, 0);
a5302181	63	snd_soc_dapm_disable_pin(codec, "Headphone Jack");
6e24dd93 LG	64	}
6e24dd93 LG	65
6e24dd93	66	/* set the enpoints to their new connetion states */
a5302181 LG	67	if (poodle_spk_func == POODLE_SPK_ON)
	68	snd_soc_dapm_enable_pin(codec, "Ext Spk");
	69	else
	70	snd_soc_dapm_disable_pin(codec, "Ext Spk");
6e24dd93 LG	71
6e24dd93 LG	72	/* signal a DAPM event */
a5302181	73	snd_soc_dapm_sync(codec);
6e24dd93 LG	74	}
	75
	76	static int poodle_startup(struct snd_pcm_substream *substream)
	77	{
	78	struct snd_soc_pcm_runtime *rtd = substream->private_data;
9e30d771	79	struct snd_soc_codec *codec = rtd->socdev->card->codec;
6e24dd93 LG	80
	81	/* check the jack status at stream startup */
	82	poodle_ext_control(codec);
	83	return 0;
	84	}
	85
	86	/* we need to unmute the HP at shutdown as the mute burns power on poodle */
877db3c1	87	static void poodle_shutdown(struct snd_pcm_substream *substream)
6e24dd93	88	{
6e24dd93 LG	89	/* set = unmute headphone */
	90	locomo_gpio_write(&poodle_locomo_device.dev,
	91	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	92	locomo_gpio_write(&poodle_locomo_device.dev,
	93	POODLE_LOCOMO_GPIO_MUTE_R, 1);
6e24dd93 LG	94	}
6e24dd93 LG	95
73f40dc1 LG	96	static int poodle_hw_params(struct snd_pcm_substream *substream,
	97	struct snd_pcm_hw_params *params)
	98	{
	99	struct snd_soc_pcm_runtime *rtd = substream->private_data;
917f93ac LG	100	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
917f93ac LG	101	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
73f40dc1 LG	102	unsigned int clk = 0;
	103	int ret = 0;
	104
	105	switch (params_rate(params)) {
	106	case 8000:
	107	case 16000:
	108	case 48000:
	109	case 96000:
	110	clk = 12288000;
	111	break;
	112	case 11025:
	113	case 22050:
	114	case 44100:
	115	clk = 11289600;
	116	break;
	117	}
	118
	119	/* set codec DAI configuration */
64105cfd	120	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	121	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	122	if (ret < 0)
	123	return ret;
	124
	125	/* set cpu DAI configuration */
64105cfd	126	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S \|
73f40dc1 LG	127	SND_SOC_DAIFMT_NB_NF \| SND_SOC_DAIFMT_CBS_CFS);
	128	if (ret < 0)
	129	return ret;
	130
	131	/* set the codec system clock for DAC and ADC */
64105cfd	132	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK, clk,
73f40dc1 LG	133	SND_SOC_CLOCK_IN);
	134	if (ret < 0)
	135	return ret;
	136
	137	/* set the I2S system clock as input (unused) */
64105cfd	138	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
73f40dc1 LG	139	SND_SOC_CLOCK_IN);
	140	if (ret < 0)
	141	return ret;
	142
	143	return 0;
	144	}
	145
6e24dd93 LG	146	static struct snd_soc_ops poodle_ops = {
6e24dd93 LG	147	.startup = poodle_startup,
73f40dc1	148	.hw_params = poodle_hw_params,
6e24dd93 LG	149	.shutdown = poodle_shutdown,
	150	};
	151
	152	static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	153	struct snd_ctl_elem_value *ucontrol)
	154	{
	155	ucontrol->value.integer.value[0] = poodle_jack_func;
	156	return 0;
	157	}
	158
	159	static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	160	struct snd_ctl_elem_value *ucontrol)
	161	{
	162	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	163
	164	if (poodle_jack_func == ucontrol->value.integer.value[0])
	165	return 0;
	166
	167	poodle_jack_func = ucontrol->value.integer.value[0];
	168	poodle_ext_control(codec);
	169	return 1;
	170	}
	171
	172	static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	173	struct snd_ctl_elem_value *ucontrol)
	174	{
	175	ucontrol->value.integer.value[0] = poodle_spk_func;
	176	return 0;
	177	}
	178
	179	static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	180	struct snd_ctl_elem_value *ucontrol)
	181	{
	182	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	183
	184	if (poodle_spk_func == ucontrol->value.integer.value[0])
	185	return 0;
	186
	187	poodle_spk_func = ucontrol->value.integer.value[0];
	188	poodle_ext_control(codec);
	189	return 1;
	190	}
	191
338c7ed0 JN	192	static int poodle_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	193	struct snd_kcontrol *k, int event)
6e24dd93 LG	194	{
	195	if (SND_SOC_DAPM_EVENT_ON(event))
	196	locomo_gpio_write(&poodle_locomo_device.dev,
	197	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	198	else
	199	locomo_gpio_write(&poodle_locomo_device.dev,
	200	POODLE_LOCOMO_GPIO_AMP_ON, 1);
	201
	202	return 0;
	203	}
	204
	205	/* poodle machine dapm widgets */
	206	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	207	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	208	SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
	209	};
	210
25191c45 MB	211	/* Corgi machine connections to the codec pins */
25191c45 MB	212	static const struct snd_soc_dapm_route audio_map[] = {
6e24dd93 LG	213
	214	/* headphone connected to LHPOUT1, RHPOUT1 */
	215	{"Headphone Jack", NULL, "LHPOUT"},
	216	{"Headphone Jack", NULL, "RHPOUT"},
	217
	218	/* speaker connected to LOUT, ROUT */
	219	{"Ext Spk", NULL, "ROUT"},
	220	{"Ext Spk", NULL, "LOUT"},
6e24dd93 LG	221	};
	222
	223	static const char *jack_function[] = {"Off", "Headphone"};
	224	static const char *spk_function[] = {"Off", "On"};
	225	static const struct soc_enum poodle_enum[] = {
	226	SOC_ENUM_SINGLE_EXT(2, jack_function),
	227	SOC_ENUM_SINGLE_EXT(2, spk_function),
	228	};
	229
877db3c1	230	static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
6e24dd93 LG	231	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
	232	poodle_set_jack),
	233	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
	234	poodle_set_spk),
	235	};
	236
	237	/*
	238	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	239	*/
	240	static int poodle_wm8731_init(struct snd_soc_codec *codec)
	241	{
eb5f6d75	242	int err;
6e24dd93	243
35f5e54d MB	244	snd_soc_dapm_nc_pin(codec, "LLINEIN");
35f5e54d MB	245	snd_soc_dapm_nc_pin(codec, "RLINEIN");
a5302181	246	snd_soc_dapm_enable_pin(codec, "MICIN");
6e24dd93 LG	247
6e24dd93 LG	248	/* Add poodle specific controls */
eb5f6d75 PZ	249	err = snd_soc_add_controls(codec, wm8731_poodle_controls,
	250	ARRAY_SIZE(wm8731_poodle_controls));
	251	if (err < 0)
	252	return err;
6e24dd93 LG	253
6e24dd93 LG	254	/* Add poodle specific widgets */
25191c45 MB	255	snd_soc_dapm_new_controls(codec, wm8731_dapm_widgets,
25191c45 MB	256	ARRAY_SIZE(wm8731_dapm_widgets));
6e24dd93 LG	257
6e24dd93 LG	258	/* Set up poodle specific audio path audio_map */
25191c45	259	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
6e24dd93	260
a5302181	261	snd_soc_dapm_sync(codec);
6e24dd93 LG	262	return 0;
	263	}
	264
6e24dd93 LG	265	/* poodle digital audio interface glue - connects codec <--> CPU */
	266	static struct snd_soc_dai_link poodle_dai = {
	267	.name = "WM8731",
	268	.stream_name = "WM8731",
	269	.cpu_dai = &pxa_i2s_dai,
	270	.codec_dai = &wm8731_dai,
	271	.init = poodle_wm8731_init,
73f40dc1	272	.ops = &poodle_ops,
6e24dd93 LG	273	};
	274
	275	/* poodle audio machine driver */
87506549	276	static struct snd_soc_card snd_soc_poodle = {
6e24dd93	277	.name = "Poodle",
87689d56	278	.platform = &pxa2xx_soc_platform,
6e24dd93 LG	279	.dai_link = &poodle_dai,
6e24dd93 LG	280	.num_links = 1,
6e24dd93 LG	281	};
6e24dd93 LG	282
6e24dd93 LG	283	/* poodle audio subsystem */
6e24dd93 LG	284	static struct snd_soc_device poodle_snd_devdata = {
87506549	285	.card = &snd_soc_poodle,
6e24dd93	286	.codec_dev = &soc_codec_dev_wm8731,
6e24dd93 LG	287	};
	288
	289	static struct platform_device *poodle_snd_device;
	290
	291	static int __init poodle_init(void)
	292	{
	293	int ret;
	294
	295	if (!machine_is_poodle())
	296	return -ENODEV;
	297
	298	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	299	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	300	/* should we mute HP at startup - burning power ?*/
	301	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	302	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	303	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	304	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	305
	306	poodle_snd_device = platform_device_alloc("soc-audio", -1);
	307	if (!poodle_snd_device)
	308	return -ENOMEM;
	309
	310	platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
	311	poodle_snd_devdata.dev = &poodle_snd_device->dev;
	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");