[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 <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)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	/* 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(dapm, "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(dapm, "Headphone Jack");
	}

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

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

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 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 poodle_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;
	struct snd_soc_dapm_context *dapm = &codec->dapm;

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

	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 = "wm8731.0-001b",
	.init = poodle_wm8731_init,
	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
		   SND_SOC_DAIFMT_CBS_CFS,
	.ops = &poodle_ops,
};

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

	.controls = wm8731_poodle_controls,
	.num_controls = ARRAY_SIZE(wm8731_poodle_controls),
	.dapm_widgets = wm8731_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	.dapm_routes = poodle_audio_map,
	.num_dapm_routes = ARRAY_SIZE(poodle_audio_map),
};

static int __devinit poodle_probe(struct platform_device *pdev)
{
	struct snd_soc_card *card = &poodle;
	int ret;

	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);

	card->dev = &pdev->dev;

	ret = snd_soc_register_card(card);
	if (ret)
		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
			ret);
	return ret;
}

static int __devexit poodle_remove(struct platform_device *pdev)
{
	struct snd_soc_card *card = platform_get_drvdata(pdev);

	snd_soc_unregister_card(card);
	return 0;
}

static struct platform_driver poodle_driver = {
	.driver		= {
		.name	= "poodle-audio",
		.owner	= THIS_MODULE,
	},
	.probe		= poodle_probe,
	.remove		= __devexit_p(poodle_remove),
};

module_platform_driver(poodle_driver);

/* Module information */
MODULE_AUTHOR("Richard Purdie");
MODULE_DESCRIPTION("ALSA SoC Poodle");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:poodle-audio");
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>
6e24dd93 LG	26
	27	#include <asm/mach-types.h>
	28	#include <asm/hardware/locomo.h>
a09e64fb RK	29	#include <mach/poodle.h>
a09e64fb RK	30	#include <mach/audio.h>
6e24dd93 LG	31
6e24dd93 LG	32	#include "../codecs/wm8731.h"
73f40dc1	33	#include "pxa2xx-i2s.h"
6e24dd93 LG	34
	35	#define POODLE_HP 1
	36	#define POODLE_HP_OFF 0
	37	#define POODLE_SPK_ON 1
	38	#define POODLE_SPK_OFF 0
	39
	40	/* audio clock in Hz - rounded from 12.235MHz */
	41	#define POODLE_AUDIO_CLOCK 12288000
	42
	43	static int poodle_jack_func;
	44	static int poodle_spk_func;
	45
	46	static void poodle_ext_control(struct snd_soc_codec *codec)
	47	{
ce6120cc LG	48	struct snd_soc_dapm_context *dapm = &codec->dapm;
ce6120cc LG	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);
ce6120cc	57	snd_soc_dapm_enable_pin(dapm, "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);
ce6120cc	63	snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
6e24dd93 LG	64	}
6e24dd93 LG	65
6e24dd93	66	/* set the enpoints to their new connetion states */
a5302181	67	if (poodle_spk_func == POODLE_SPK_ON)
ce6120cc	68	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
a5302181	69	else
ce6120cc	70	snd_soc_dapm_disable_pin(dapm, "Ext Spk");
6e24dd93 LG	71
6e24dd93 LG	72	/* signal a DAPM event */
ce6120cc	73	snd_soc_dapm_sync(dapm);
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;
f0fba2ad	79	struct snd_soc_codec *codec = rtd->codec;
6e24dd93	80
71a29560 MB	81	mutex_lock(&codec->mutex);
71a29560 MB	82
6e24dd93 LG	83	/* check the jack status at stream startup */
6e24dd93 LG	84	poodle_ext_control(codec);
71a29560 MB	85
	86	mutex_unlock(&codec->mutex);
	87
6e24dd93 LG	88	return 0;
	89	}
	90
	91	/* we need to unmute the HP at shutdown as the mute burns power on poodle */
877db3c1	92	static void poodle_shutdown(struct snd_pcm_substream *substream)
6e24dd93	93	{
6e24dd93 LG	94	/* set = unmute headphone */
	95	locomo_gpio_write(&poodle_locomo_device.dev,
	96	POODLE_LOCOMO_GPIO_MUTE_L, 1);
	97	locomo_gpio_write(&poodle_locomo_device.dev,
	98	POODLE_LOCOMO_GPIO_MUTE_R, 1);
6e24dd93 LG	99	}
6e24dd93 LG	100
73f40dc1 LG	101	static int poodle_hw_params(struct snd_pcm_substream *substream,
	102	struct snd_pcm_hw_params *params)
	103	{
	104	struct snd_soc_pcm_runtime *rtd = substream->private_data;
f0fba2ad LG	105	struct snd_soc_dai *codec_dai = rtd->codec_dai;
f0fba2ad LG	106	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
73f40dc1 LG	107	unsigned int clk = 0;
	108	int ret = 0;
	109
	110	switch (params_rate(params)) {
	111	case 8000:
	112	case 16000:
	113	case 48000:
	114	case 96000:
	115	clk = 12288000;
	116	break;
	117	case 11025:
	118	case 22050:
	119	case 44100:
	120	clk = 11289600;
	121	break;
	122	}
	123
73f40dc1	124	/* set the codec system clock for DAC and ADC */
e7712510	125	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, clk,
73f40dc1 LG	126	SND_SOC_CLOCK_IN);
	127	if (ret < 0)
	128	return ret;
	129
	130	/* set the I2S system clock as input (unused) */
64105cfd	131	ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
73f40dc1 LG	132	SND_SOC_CLOCK_IN);
	133	if (ret < 0)
	134	return ret;
	135
	136	return 0;
	137	}
	138
6e24dd93 LG	139	static struct snd_soc_ops poodle_ops = {
6e24dd93 LG	140	.startup = poodle_startup,
73f40dc1	141	.hw_params = poodle_hw_params,
6e24dd93 LG	142	.shutdown = poodle_shutdown,
	143	};
	144
	145	static int poodle_get_jack(struct snd_kcontrol *kcontrol,
	146	struct snd_ctl_elem_value *ucontrol)
	147	{
	148	ucontrol->value.integer.value[0] = poodle_jack_func;
	149	return 0;
	150	}
	151
	152	static int poodle_set_jack(struct snd_kcontrol *kcontrol,
	153	struct snd_ctl_elem_value *ucontrol)
	154	{
	155	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	156
	157	if (poodle_jack_func == ucontrol->value.integer.value[0])
	158	return 0;
	159
	160	poodle_jack_func = ucontrol->value.integer.value[0];
	161	poodle_ext_control(codec);
	162	return 1;
	163	}
	164
	165	static int poodle_get_spk(struct snd_kcontrol *kcontrol,
	166	struct snd_ctl_elem_value *ucontrol)
	167	{
	168	ucontrol->value.integer.value[0] = poodle_spk_func;
	169	return 0;
	170	}
	171
	172	static int poodle_set_spk(struct snd_kcontrol *kcontrol,
	173	struct snd_ctl_elem_value *ucontrol)
	174	{
	175	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	176
	177	if (poodle_spk_func == ucontrol->value.integer.value[0])
	178	return 0;
	179
	180	poodle_spk_func = ucontrol->value.integer.value[0];
	181	poodle_ext_control(codec);
	182	return 1;
	183	}
	184
338c7ed0 JN	185	static int poodle_amp_event(struct snd_soc_dapm_widget *w,
338c7ed0 JN	186	struct snd_kcontrol *k, int event)
6e24dd93 LG	187	{
	188	if (SND_SOC_DAPM_EVENT_ON(event))
	189	locomo_gpio_write(&poodle_locomo_device.dev,
	190	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	191	else
	192	locomo_gpio_write(&poodle_locomo_device.dev,
	193	POODLE_LOCOMO_GPIO_AMP_ON, 1);
	194
	195	return 0;
	196	}
	197
	198	/* poodle machine dapm widgets */
	199	static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
	200	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	201	SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
	202	};
	203
25191c45	204	/* Corgi machine connections to the codec pins */
fe366d06	205	static const struct snd_soc_dapm_route poodle_audio_map[] = {
6e24dd93 LG	206
	207	/* headphone connected to LHPOUT1, RHPOUT1 */
	208	{"Headphone Jack", NULL, "LHPOUT"},
	209	{"Headphone Jack", NULL, "RHPOUT"},
	210
	211	/* speaker connected to LOUT, ROUT */
	212	{"Ext Spk", NULL, "ROUT"},
	213	{"Ext Spk", NULL, "LOUT"},
6e24dd93 LG	214	};
	215
	216	static const char *jack_function[] = {"Off", "Headphone"};
	217	static const char *spk_function[] = {"Off", "On"};
	218	static const struct soc_enum poodle_enum[] = {
	219	SOC_ENUM_SINGLE_EXT(2, jack_function),
	220	SOC_ENUM_SINGLE_EXT(2, spk_function),
	221	};
	222
877db3c1	223	static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
6e24dd93 LG	224	SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
	225	poodle_set_jack),
	226	SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
	227	poodle_set_spk),
	228	};
	229
	230	/*
	231	* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
	232	*/
f0fba2ad	233	static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd)
6e24dd93	234	{
f0fba2ad	235	struct snd_soc_codec *codec = rtd->codec;
ce6120cc	236	struct snd_soc_dapm_context *dapm = &codec->dapm;
6e24dd93	237
ce6120cc LG	238	snd_soc_dapm_nc_pin(dapm, "LLINEIN");
	239	snd_soc_dapm_nc_pin(dapm, "RLINEIN");
	240	snd_soc_dapm_enable_pin(dapm, "MICIN");
6e24dd93	241
6e24dd93 LG	242	return 0;
	243	}
	244
6e24dd93 LG	245	/* poodle digital audio interface glue - connects codec <--> CPU */
	246	static struct snd_soc_dai_link poodle_dai = {
	247	.name = "WM8731",
	248	.stream_name = "WM8731",
a2a0086d	249	.cpu_dai_name = "pxa2xx-i2s",
1593d7dd	250	.codec_dai_name = "wm8731-hifi",
f0fba2ad	251	.platform_name = "pxa-pcm-audio",
99b59f3c	252	.codec_name = "wm8731.0-001b",
6e24dd93	253	.init = poodle_wm8731_init,
87063dfc AL	254	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
87063dfc AL	255	SND_SOC_DAIFMT_CBS_CFS,
73f40dc1	256	.ops = &poodle_ops,
6e24dd93 LG	257	};
	258
	259	/* poodle audio machine driver */
2445ecc3	260	static struct snd_soc_card poodle = {
6e24dd93 LG	261	.name = "Poodle",
	262	.dai_link = &poodle_dai,
	263	.num_links = 1,
f0fba2ad	264	.owner = THIS_MODULE,
fe366d06 AL	265
	266	.controls = wm8731_poodle_controls,
	267	.num_controls = ARRAY_SIZE(wm8731_poodle_controls),
	268	.dapm_widgets = wm8731_dapm_widgets,
	269	.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
	270	.dapm_routes = poodle_audio_map,
	271	.num_dapm_routes = ARRAY_SIZE(poodle_audio_map),
6e24dd93 LG	272	};
6e24dd93 LG	273
2445ecc3	274	static int __devinit poodle_probe(struct platform_device *pdev)
6e24dd93	275	{
2445ecc3	276	struct snd_soc_card *card = &poodle;
6e24dd93 LG	277	int ret;
6e24dd93 LG	278
6e24dd93 LG	279	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	280	POODLE_LOCOMO_GPIO_AMP_ON, 0);
	281	/* should we mute HP at startup - burning power ?*/
	282	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	283	POODLE_LOCOMO_GPIO_MUTE_L, 0);
	284	locomo_gpio_set_dir(&poodle_locomo_device.dev,
	285	POODLE_LOCOMO_GPIO_MUTE_R, 0);
	286
2445ecc3	287	card->dev = &pdev->dev;
6e24dd93	288
2445ecc3	289	ret = snd_soc_register_card(card);
6e24dd93	290	if (ret)
2445ecc3 AL	291	dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
2445ecc3 AL	292	ret);
6e24dd93 LG	293	return ret;
	294	}
	295
2445ecc3	296	static int __devexit poodle_remove(struct platform_device *pdev)
6e24dd93	297	{
2445ecc3 AL	298	struct snd_soc_card *card = platform_get_drvdata(pdev);
	299
	300	snd_soc_unregister_card(card);
	301	return 0;
6e24dd93 LG	302	}
6e24dd93 LG	303
2445ecc3 AL	304	static struct platform_driver poodle_driver = {
	305	.driver = {
	306	.name = "poodle-audio",
	307	.owner = THIS_MODULE,
	308	},
	309	.probe = poodle_probe,
	310	.remove = __devexit_p(poodle_remove),
	311	};
	312
	313	module_platform_driver(poodle_driver);
6e24dd93 LG	314
	315	/* Module information */
	316	MODULE_AUTHOR("Richard Purdie");
	317	MODULE_DESCRIPTION("ALSA SoC Poodle");
	318	MODULE_LICENSE("GPL");
2445ecc3	319	MODULE_ALIAS("platform:poodle-audio");