[deliverable/linux.git] / sound / soc / omap / n810.c

/*
 * n810.c  --  SoC audio for Nokia N810
 *
 * Copyright (C) 2008 Nokia Corporation
 *
 * Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/clk.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/arch/hardware.h>
#include <linux/gpio.h>
#include <asm/arch/mcbsp.h>

#include "omap-mcbsp.h"
#include "omap-pcm.h"
#include "../codecs/tlv320aic3x.h"

#define N810_HEADSET_AMP_GPIO	10
#define N810_SPEAKER_AMP_GPIO	101

static struct clk *sys_clkout2;
static struct clk *sys_clkout2_src;
static struct clk *func96m_clk;

static int n810_spk_func;
static int n810_jack_func;

static void n810_ext_control(struct snd_soc_codec *codec)
{
	snd_soc_dapm_set_endpoint(codec, "Ext Spk", n810_spk_func);
	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", n810_jack_func);

	snd_soc_dapm_sync_endpoints(codec);
}

static int n810_startup(struct snd_pcm_substream *substream)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->socdev->codec;

	n810_ext_control(codec);
	return clk_enable(sys_clkout2);
}

static void n810_shutdown(struct snd_pcm_substream *substream)
{
	clk_disable(sys_clkout2);
}

static int n810_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;
	int err;

	/* Set codec DAI configuration */
	err = codec_dai->dai_ops.set_fmt(codec_dai,
					 SND_SOC_DAIFMT_I2S |
					 SND_SOC_DAIFMT_NB_NF |
					 SND_SOC_DAIFMT_CBM_CFM);
	if (err < 0)
		return err;

	/* Set cpu DAI configuration */
	err = cpu_dai->dai_ops.set_fmt(cpu_dai,
				       SND_SOC_DAIFMT_I2S |
				       SND_SOC_DAIFMT_NB_NF |
				       SND_SOC_DAIFMT_CBM_CFM);
	if (err < 0)
		return err;

	/* Set the codec system clock for DAC and ADC */
	err = codec_dai->dai_ops.set_sysclk(codec_dai, 0, 12000000,
					    SND_SOC_CLOCK_IN);

	return err;
}

static struct snd_soc_ops n810_ops = {
	.startup = n810_startup,
	.hw_params = n810_hw_params,
	.shutdown = n810_shutdown,
};

static int n810_get_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = n810_spk_func;

	return 0;
}

static int n810_set_spk(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (n810_spk_func == ucontrol->value.integer.value[0])
		return 0;

	n810_spk_func = ucontrol->value.integer.value[0];
	n810_ext_control(codec);

	return 1;
}

static int n810_get_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = n810_jack_func;

	return 0;
}

static int n810_set_jack(struct snd_kcontrol *kcontrol,
			 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec =  snd_kcontrol_chip(kcontrol);

	if (n810_jack_func == ucontrol->value.integer.value[0])
		return 0;

	n810_jack_func = ucontrol->value.integer.value[0];
	n810_ext_control(codec);

	return 1;
}

static int n810_spk_event(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
	else
		gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);

	return 0;
}

static int n810_jack_event(struct snd_soc_dapm_widget *w,
			   struct snd_kcontrol *k, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
	else
		gpio_set_value(N810_HEADSET_AMP_GPIO, 0);

	return 0;
}

static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"Headphone Jack", NULL, "HPLOUT"},
	{"Headphone Jack", NULL, "HPROUT"},

	{"Ext Spk", NULL, "LLOUT"},
	{"Ext Spk", NULL, "RLOUT"},
};

static const char *spk_function[] = {"Off", "On"};
static const char *jack_function[] = {"Off", "Headphone"};
static const struct soc_enum n810_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
};

static const struct snd_kcontrol_new aic33_n810_controls[] = {
	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
		     n810_get_spk, n810_set_spk),
	SOC_ENUM_EXT("Jack Function", n810_enum[1],
		     n810_get_jack, n810_set_jack),
};

static int n810_aic33_init(struct snd_soc_codec *codec)
{
	int i, err;

	/* Not connected */
	snd_soc_dapm_set_endpoint(codec, "MONO_LOUT", 0);
	snd_soc_dapm_set_endpoint(codec, "HPLCOM", 0);
	snd_soc_dapm_set_endpoint(codec, "HPRCOM", 0);

	/* Add N810 specific controls */
	for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) {
		err = snd_ctl_add(codec->card,
			snd_soc_cnew(&aic33_n810_controls[i], codec, NULL));
		if (err < 0)
			return err;
	}

	/* Add N810 specific widgets */
	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
				  ARRAY_SIZE(aic33_dapm_widgets));

	/* Set up N810 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;
}

/* Digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link n810_dai = {
	.name = "TLV320AIC33",
	.stream_name = "AIC33",
	.cpu_dai = &omap_mcbsp_dai[0],
	.codec_dai = &aic3x_dai,
	.init = n810_aic33_init,
	.ops = &n810_ops,
};

/* Audio machine driver */
static struct snd_soc_machine snd_soc_machine_n810 = {
	.name = "N810",
	.dai_link = &n810_dai,
	.num_links = 1,
};

/* Audio private data */
static struct aic3x_setup_data n810_aic33_setup = {
	.i2c_address = 0x18,
};

/* Audio subsystem */
static struct snd_soc_device n810_snd_devdata = {
	.machine = &snd_soc_machine_n810,
	.platform = &omap_soc_platform,
	.codec_dev = &soc_codec_dev_aic3x,
	.codec_data = &n810_aic33_setup,
};

static struct platform_device *n810_snd_device;

static int __init n810_soc_init(void)
{
	int err;
	struct device *dev;

	if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax()))
		return -ENODEV;

	n810_snd_device = platform_device_alloc("soc-audio", -1);
	if (!n810_snd_device)
		return -ENOMEM;

	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	n810_snd_devdata.dev = &n810_snd_device->dev;
	*(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	err = platform_device_add(n810_snd_device);
	if (err)
		goto err1;

	dev = &n810_snd_device->dev;

	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	if (IS_ERR(sys_clkout2_src)) {
		dev_err(dev, "Could not get sys_clkout2_src clock\n");
		return -ENODEV;
	}
	sys_clkout2 = clk_get(dev, "sys_clkout2");
	if (IS_ERR(sys_clkout2)) {
		dev_err(dev, "Could not get sys_clkout2\n");
		goto err1;
	}
	/*
	 * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	 * 96 MHz as its parent in order to get 12 MHz
	 */
	func96m_clk = clk_get(dev, "func_96m_ck");
	if (IS_ERR(func96m_clk)) {
		dev_err(dev, "Could not get func 96M clock\n");
		goto err2;
	}
	clk_set_parent(sys_clkout2_src, func96m_clk);
	clk_set_rate(sys_clkout2, 12000000);

	if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
		BUG();
	if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
		BUG();
	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);

	return 0;
err2:
	clk_put(sys_clkout2);
	platform_device_del(n810_snd_device);
err1:
	platform_device_put(n810_snd_device);

	return err;

}

static void __exit n810_soc_exit(void)
{
	gpio_free(N810_SPEAKER_AMP_GPIO);
	gpio_free(N810_HEADSET_AMP_GPIO);

	platform_device_unregister(n810_snd_device);
}

module_init(n810_soc_init);
module_exit(n810_soc_exit);

MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
MODULE_DESCRIPTION("ALSA SoC Nokia N810");
MODULE_LICENSE("GPL");
Commit	Line	Data
2e74796a JN	1	/*
	2	* n810.c -- SoC audio for Nokia N810
	3	*
	4	* Copyright (C) 2008 Nokia Corporation
	5	*
	6	* Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
	24	#include <linux/clk.h>
	25	#include <linux/platform_device.h>
	26	#include <sound/core.h>
	27	#include <sound/pcm.h>
	28	#include <sound/soc.h>
	29	#include <sound/soc-dapm.h>
	30
	31	#include <asm/mach-types.h>
	32	#include <asm/arch/hardware.h>
f99a633a	33	#include <linux/gpio.h>
2e74796a JN	34	#include <asm/arch/mcbsp.h>
	35
	36	#include "omap-mcbsp.h"
	37	#include "omap-pcm.h"
	38	#include "../codecs/tlv320aic3x.h"
	39
f99a633a JN	40	#define N810_HEADSET_AMP_GPIO 10
f99a633a JN	41	#define N810_SPEAKER_AMP_GPIO 101
2e74796a JN	42
	43	static struct clk *sys_clkout2;
	44	static struct clk *sys_clkout2_src;
	45	static struct clk *func96m_clk;
	46
	47	static int n810_spk_func;
	48	static int n810_jack_func;
	49
	50	static void n810_ext_control(struct snd_soc_codec *codec)
	51	{
	52	snd_soc_dapm_set_endpoint(codec, "Ext Spk", n810_spk_func);
	53	snd_soc_dapm_set_endpoint(codec, "Headphone Jack", n810_jack_func);
	54
	55	snd_soc_dapm_sync_endpoints(codec);
	56	}
	57
	58	static int n810_startup(struct snd_pcm_substream *substream)
	59	{
	60	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	61	struct snd_soc_codec *codec = rtd->socdev->codec;
	62
	63	n810_ext_control(codec);
	64	return clk_enable(sys_clkout2);
	65	}
	66
	67	static void n810_shutdown(struct snd_pcm_substream *substream)
	68	{
	69	clk_disable(sys_clkout2);
	70	}
	71
	72	static int n810_hw_params(struct snd_pcm_substream *substream,
	73	struct snd_pcm_hw_params *params)
	74	{
	75	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	76	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
	77	struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
	78	int err;
	79
	80	/* Set codec DAI configuration */
	81	err = codec_dai->dai_ops.set_fmt(codec_dai,
	82	SND_SOC_DAIFMT_I2S \|
	83	SND_SOC_DAIFMT_NB_NF \|
	84	SND_SOC_DAIFMT_CBM_CFM);
	85	if (err < 0)
	86	return err;
	87
	88	/* Set cpu DAI configuration */
	89	err = cpu_dai->dai_ops.set_fmt(cpu_dai,
	90	SND_SOC_DAIFMT_I2S \|
	91	SND_SOC_DAIFMT_NB_NF \|
	92	SND_SOC_DAIFMT_CBM_CFM);
	93	if (err < 0)
	94	return err;
	95
	96	/* Set the codec system clock for DAC and ADC */
	97	err = codec_dai->dai_ops.set_sysclk(codec_dai, 0, 12000000,
	98	SND_SOC_CLOCK_IN);
	99
	100	return err;
	101	}
	102
	103	static struct snd_soc_ops n810_ops = {
	104	.startup = n810_startup,
	105	.hw_params = n810_hw_params,
106	.shutdown = n810_shutdown,
107	};
108
109	static int n810_get_spk(struct snd_kcontrol *kcontrol,
110	struct snd_ctl_elem_value *ucontrol)
111	{
112	ucontrol->value.integer.value[0] = n810_spk_func;
113
114	return 0;
115	}
116
117	static int n810_set_spk(struct snd_kcontrol *kcontrol,
118	struct snd_ctl_elem_value *ucontrol)
119	{
120	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
121
122	if (n810_spk_func == ucontrol->value.integer.value[0])
123	return 0;
124
125	n810_spk_func = ucontrol->value.integer.value[0];
126	n810_ext_control(codec);
127
128	return 1;
129	}
130
131	static int n810_get_jack(struct snd_kcontrol *kcontrol,
132	struct snd_ctl_elem_value *ucontrol)
133	{
134	ucontrol->value.integer.value[0] = n810_jack_func;
135
136	return 0;
137	}
138
139	static int n810_set_jack(struct snd_kcontrol *kcontrol,
140	struct snd_ctl_elem_value *ucontrol)
141	{
142	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
143
144	if (n810_jack_func == ucontrol->value.integer.value[0])
145	return 0;
146
147	n810_jack_func = ucontrol->value.integer.value[0];
148	n810_ext_control(codec);
149
150	return 1;
151	}
152
153	static int n810_spk_event(struct snd_soc_dapm_widget *w,
154	struct snd_kcontrol *k, int event)
155	{
156	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	157	gpio_set_value(N810_SPEAKER_AMP_GPIO, 1);
2e74796a	158	else
f99a633a	159	gpio_set_value(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	160
	161	return 0;
	162	}
	163
	164	static int n810_jack_event(struct snd_soc_dapm_widget *w,
	165	struct snd_kcontrol *k, int event)
	166	{
	167	if (SND_SOC_DAPM_EVENT_ON(event))
f99a633a	168	gpio_set_value(N810_HEADSET_AMP_GPIO, 1);
2e74796a	169	else
f99a633a	170	gpio_set_value(N810_HEADSET_AMP_GPIO, 0);
2e74796a JN	171
	172	return 0;
	173	}
	174
	175	static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = {
	176	SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event),
	177	SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event),
	178	};
	179
1a250598	180	static const struct snd_soc_dapm_route audio_map[] = {
2e74796a JN	181	{"Headphone Jack", NULL, "HPLOUT"},
	182	{"Headphone Jack", NULL, "HPROUT"},
	183
	184	{"Ext Spk", NULL, "LLOUT"},
	185	{"Ext Spk", NULL, "RLOUT"},
	186	};
	187
	188	static const char *spk_function[] = {"Off", "On"};
	189	static const char *jack_function[] = {"Off", "Headphone"};
	190	static const struct soc_enum n810_enum[] = {
3c172791 JN	191	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
3c172791 JN	192	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
2e74796a JN	193	};
	194
	195	static const struct snd_kcontrol_new aic33_n810_controls[] = {
	196	SOC_ENUM_EXT("Speaker Function", n810_enum[0],
	197	n810_get_spk, n810_set_spk),
	198	SOC_ENUM_EXT("Jack Function", n810_enum[1],
	199	n810_get_jack, n810_set_jack),
	200	};
	201
	202	static int n810_aic33_init(struct snd_soc_codec *codec)
	203	{
	204	int i, err;
	205
	206	/* Not connected */
	207	snd_soc_dapm_set_endpoint(codec, "MONO_LOUT", 0);
	208	snd_soc_dapm_set_endpoint(codec, "HPLCOM", 0);
	209	snd_soc_dapm_set_endpoint(codec, "HPRCOM", 0);
	210
	211	/* Add N810 specific controls */
	212	for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) {
	213	err = snd_ctl_add(codec->card,
	214	snd_soc_cnew(&aic33_n810_controls[i], codec, NULL));
	215	if (err < 0)
	216	return err;
	217	}
	218
	219	/* Add N810 specific widgets */
1a250598 MB	220	snd_soc_dapm_new_controls(codec, aic33_dapm_widgets,
1a250598 MB	221	ARRAY_SIZE(aic33_dapm_widgets));
2e74796a JN	222
2e74796a JN	223	/* Set up N810 specific audio path audio_map */
1a250598	224	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
2e74796a JN	225
	226	snd_soc_dapm_sync_endpoints(codec);
	227
	228	return 0;
	229	}
	230
	231	/* Digital audio interface glue - connects codec <--> CPU */
	232	static struct snd_soc_dai_link n810_dai = {
	233	.name = "TLV320AIC33",
	234	.stream_name = "AIC33",
	235	.cpu_dai = &omap_mcbsp_dai[0],
	236	.codec_dai = &aic3x_dai,
	237	.init = n810_aic33_init,
	238	.ops = &n810_ops,
	239	};
	240
	241	/* Audio machine driver */
	242	static struct snd_soc_machine snd_soc_machine_n810 = {
	243	.name = "N810",
	244	.dai_link = &n810_dai,
	245	.num_links = 1,
	246	};
	247
	248	/* Audio private data */
	249	static struct aic3x_setup_data n810_aic33_setup = {
	250	.i2c_address = 0x18,
	251	};
	252
	253	/* Audio subsystem */
	254	static struct snd_soc_device n810_snd_devdata = {
	255	.machine = &snd_soc_machine_n810,
	256	.platform = &omap_soc_platform,
	257	.codec_dev = &soc_codec_dev_aic3x,
	258	.codec_data = &n810_aic33_setup,
	259	};
	260
	261	static struct platform_device *n810_snd_device;
	262
	263	static int __init n810_soc_init(void)
	264	{
	265	int err;
	266	struct device *dev;
	267
6e132fa6	268	if (!(machine_is_nokia_n810() \|\| machine_is_nokia_n810_wimax()))
2e74796a JN	269	return -ENODEV;
	270
	271	n810_snd_device = platform_device_alloc("soc-audio", -1);
	272	if (!n810_snd_device)
	273	return -ENOMEM;
	274
	275	platform_set_drvdata(n810_snd_device, &n810_snd_devdata);
	276	n810_snd_devdata.dev = &n810_snd_device->dev;
	277	(unsigned int )n810_dai.cpu_dai->private_data = 1; /* McBSP2 */
	278	err = platform_device_add(n810_snd_device);
	279	if (err)
	280	goto err1;
	281
	282	dev = &n810_snd_device->dev;
	283
	284	sys_clkout2_src = clk_get(dev, "sys_clkout2_src");
	285	if (IS_ERR(sys_clkout2_src)) {
	286	dev_err(dev, "Could not get sys_clkout2_src clock\n");
	287	return -ENODEV;
	288	}
	289	sys_clkout2 = clk_get(dev, "sys_clkout2");
	290	if (IS_ERR(sys_clkout2)) {
	291	dev_err(dev, "Could not get sys_clkout2\n");
	292	goto err1;
	293	}
	294	/*
	295	* Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use
	296	* 96 MHz as its parent in order to get 12 MHz
	297	*/
	298	func96m_clk = clk_get(dev, "func_96m_ck");
	299	if (IS_ERR(func96m_clk)) {
	300	dev_err(dev, "Could not get func 96M clock\n");
	301	goto err2;
	302	}
	303	clk_set_parent(sys_clkout2_src, func96m_clk);
	304	clk_set_rate(sys_clkout2, 12000000);
	305
f99a633a	306	if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0)
2e74796a	307	BUG();
f99a633a	308	if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)
2e74796a	309	BUG();
f99a633a JN	310	gpio_direction_output(N810_HEADSET_AMP_GPIO, 0);
f99a633a JN	311	gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0);
2e74796a JN	312
	313	return 0;
	314	err2:
	315	clk_put(sys_clkout2);
	316	platform_device_del(n810_snd_device);
	317	err1:
	318	platform_device_put(n810_snd_device);
	319
	320	return err;
	321
	322	}
	323
	324	static void __exit n810_soc_exit(void)
	325	{
f99a633a JN	326	gpio_free(N810_SPEAKER_AMP_GPIO);
	327	gpio_free(N810_HEADSET_AMP_GPIO);
	328
2e74796a JN	329	platform_device_unregister(n810_snd_device);
	330	}
	331
	332	module_init(n810_soc_init);
	333	module_exit(n810_soc_exit);
	334
	335	MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");
	336	MODULE_DESCRIPTION("ALSA SoC Nokia N810");
	337	MODULE_LICENSE("GPL");