[deliverable/linux.git] / sound / soc / codecs / ad1980.c

/*
 * ad1980.c  --  ALSA Soc AD1980 codec support
 *
 * Copyright:	Analog Device Inc.
 * Author:	Roy Huang <roy.huang@analog.com>
 * 		Cliff Cai <cliff.cai@analog.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/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include "ad1980.h"

static unsigned int ac97_read(struct snd_soc_codec *codec,
	unsigned int reg);
static int ac97_write(struct snd_soc_codec *codec,
	unsigned int reg, unsigned int val);

/*
 * AD1980 register cache
 */
static const u16 ad1980_reg[] = {
	0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6  */
	0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e  */
	0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */
	0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */
	0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */
	0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */
	0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */
	0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */
	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */
	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */
	0x0000, 0x0000, 0x4144, 0x5370  /* 78 - 7e */
};

static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
		"Stereo Mix", "Mono Mix", "Phone"};

static const struct soc_enum ad1980_cap_src =
	SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);

static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),

SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),

SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),

SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),

SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),

SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),

SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),

SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),

SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),

SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),

SOC_ENUM("Capture Source", ad1980_cap_src),

SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
};

static unsigned int ac97_read(struct snd_soc_codec *codec,
	unsigned int reg)
{
	u16 *cache = codec->reg_cache;

	switch (reg) {
	case AC97_RESET:
	case AC97_INT_PAGING:
	case AC97_POWERDOWN:
	case AC97_EXTENDED_STATUS:
	case AC97_VENDOR_ID1:
	case AC97_VENDOR_ID2:
		return soc_ac97_ops.read(codec->ac97, reg);
	default:
		reg = reg >> 1;

		if (reg >= ARRAY_SIZE(ad1980_reg))
			return -EINVAL;

		return cache[reg];
	}
}

static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
	unsigned int val)
{
	u16 *cache = codec->reg_cache;

	soc_ac97_ops.write(codec->ac97, reg, val);
	reg = reg >> 1;
	if (reg < ARRAY_SIZE(ad1980_reg))
		cache[reg] = val;

	return 0;
}

struct snd_soc_dai ad1980_dai = {
	.name = "AC97",
	.ac97_control = 1,
	.playback = {
		.stream_name = "Playback",
		.channels_min = 2,
		.channels_max = 6,
		.rates = SNDRV_PCM_RATE_48000,
		.formats = SND_SOC_STD_AC97_FMTS, },
	.capture = {
		.stream_name = "Capture",
		.channels_min = 2,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_48000,
		.formats = SND_SOC_STD_AC97_FMTS, },
};
EXPORT_SYMBOL_GPL(ad1980_dai);

static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
{
	u16 retry_cnt = 0;

retry:
	if (try_warm && soc_ac97_ops.warm_reset) {
		soc_ac97_ops.warm_reset(codec->ac97);
		if (ac97_read(codec, AC97_RESET) == 0x0090)
			return 1;
	}

	soc_ac97_ops.reset(codec->ac97);
	/* Set bit 16slot in register 74h, then every slot will has only 16
	 * bits. This command is sent out in 20bit mode, in which case the
	 * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
	ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);

	if (ac97_read(codec, AC97_RESET)  != 0x0090)
		goto err;
	return 0;

err:
	while (retry_cnt++ < 10)
		goto retry;

	printk(KERN_ERR "AD1980 AC97 reset failed\n");
	return -EIO;
}

static int ad1980_soc_probe(struct platform_device *pdev)
{
	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
	struct snd_soc_codec *codec;
	int ret = 0;
	u16 vendor_id2;
	u16 ext_status;

	printk(KERN_INFO "AD1980 SoC Audio Codec\n");

	socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
	if (socdev->card->codec == NULL)
		return -ENOMEM;
	codec = socdev->card->codec;
	mutex_init(&codec->mutex);

	codec->reg_cache =
		kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL);
	if (codec->reg_cache == NULL) {
		ret = -ENOMEM;
		goto cache_err;
	}
	memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \
			ARRAY_SIZE(ad1980_reg));
	codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg);
	codec->reg_cache_step = 2;
	codec->name = "AD1980";
	codec->owner = THIS_MODULE;
	codec->dai = &ad1980_dai;
	codec->num_dai = 1;
	codec->write = ac97_write;
	codec->read = ac97_read;
	INIT_LIST_HEAD(&codec->dapm_widgets);
	INIT_LIST_HEAD(&codec->dapm_paths);

	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
	if (ret < 0) {
		printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
		goto codec_err;
	}

	/* register pcms */
	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
	if (ret < 0)
		goto pcm_err;


	ret = ad1980_reset(codec, 0);
	if (ret < 0) {
		printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
		goto reset_err;
	}

	/* Read out vendor ID to make sure it is ad1980 */
	if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144)
		goto reset_err;

	vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);

	if (vendor_id2 != 0x5370) {
		if (vendor_id2 != 0x5374)
			goto reset_err;
		else
			printk(KERN_WARNING "ad1980: "
				"Found AD1981 - only 2/2 IN/OUT Channels "
				"supported\n");
	}

	/* unmute captures and playbacks volume */
	ac97_write(codec, AC97_MASTER, 0x0000);
	ac97_write(codec, AC97_PCM, 0x0000);
	ac97_write(codec, AC97_REC_GAIN, 0x0000);
	ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000);
	ac97_write(codec, AC97_SURROUND_MASTER, 0x0000);

	/*power on LFE/CENTER/Surround DACs*/
	ext_status = ac97_read(codec, AC97_EXTENDED_STATUS);
	ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);

	snd_soc_add_controls(codec, ad1980_snd_ac97_controls,
				ARRAY_SIZE(ad1980_snd_ac97_controls));

	return 0;

reset_err:
	snd_soc_free_pcms(socdev);

pcm_err:
	snd_soc_free_ac97_codec(codec);

codec_err:
	kfree(codec->reg_cache);

cache_err:
	kfree(socdev->card->codec);
	socdev->card->codec = NULL;
	return ret;
}

static int ad1980_soc_remove(struct platform_device *pdev)
{
	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
	struct snd_soc_codec *codec = socdev->card->codec;

	if (codec == NULL)
		return 0;

	snd_soc_dapm_free(socdev);
	snd_soc_free_pcms(socdev);
	snd_soc_free_ac97_codec(codec);
	kfree(codec->reg_cache);
	kfree(codec);
	return 0;
}

struct snd_soc_codec_device soc_codec_dev_ad1980 = {
	.probe = 	ad1980_soc_probe,
	.remove = 	ad1980_soc_remove,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_ad1980);

MODULE_DESCRIPTION("ASoC ad1980 driver");
MODULE_AUTHOR("Roy Huang, Cliff Cai");
MODULE_LICENSE("GPL");
Commit	Line	Data
5f57dc8b CC	1	/*
	2	* ad1980.c -- ALSA Soc AD1980 codec support
	3	*
	4	* Copyright: Analog Device Inc.
	5	* Author: Roy Huang <roy.huang@analog.com>
	6	* Cliff Cai <cliff.cai@analog.com>
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*/
	13
	14	#include <linux/init.h>
5a0e3ad6	15	#include <linux/slab.h>
5f57dc8b	16	#include <linux/module.h>
5f57dc8b CC	17	#include <linux/kernel.h>
	18	#include <linux/device.h>
	19	#include <sound/core.h>
	20	#include <sound/pcm.h>
	21	#include <sound/ac97_codec.h>
	22	#include <sound/initval.h>
	23	#include <sound/soc.h>
	24	#include <sound/soc-dapm.h>
	25
	26	#include "ad1980.h"
	27
	28	static unsigned int ac97_read(struct snd_soc_codec *codec,
	29	unsigned int reg);
	30	static int ac97_write(struct snd_soc_codec *codec,
	31	unsigned int reg, unsigned int val);
	32
	33	/*
	34	* AD1980 register cache
	35	*/
	36	static const u16 ad1980_reg[] = {
	37	0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */
	38	0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */
	39	0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */
	40	0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */
	41	0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */
	42	0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */
	43	0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */
	44	0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */
	45	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	46	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	47	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	48	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	49	0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */
	50	0x0000, 0x0000, 0x0000, 0x0000, /* reserved */
	51	0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */
	52	0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */
	53	};
	54
	55	static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line",
	56	"Stereo Mix", "Mono Mix", "Phone"};
	57
	58	static const struct soc_enum ad1980_cap_src =
	59	SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel);
	60
	61	static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = {
	62	SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1),
	63	SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1),
	64
	65	SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
	66	SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
	67
	68	SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
	69	SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1),
	70
	71	SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0),
	72	SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1),
	73
	74	SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
	75	SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
	76
	77	SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1),
	78	SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1),
	79
	80	SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1),
81	SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1),
82
83	SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0),
84	SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0),
85
86	SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
87	SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
88
9905ed35 CC	89	SOC_DOUBLE("Center/LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 0, 31, 1),
	90	SOC_DOUBLE("Center/LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 7, 1, 1),
	91
5f57dc8b CC	92	SOC_ENUM("Capture Source", ad1980_cap_src),
	93
	94	SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0),
	95	};
	96
5f57dc8b CC	97	static unsigned int ac97_read(struct snd_soc_codec *codec,
	98	unsigned int reg)
	99	{
	100	u16 *cache = codec->reg_cache;
	101
	102	switch (reg) {
	103	case AC97_RESET:
	104	case AC97_INT_PAGING:
	105	case AC97_POWERDOWN:
	106	case AC97_EXTENDED_STATUS:
	107	case AC97_VENDOR_ID1:
	108	case AC97_VENDOR_ID2:
	109	return soc_ac97_ops.read(codec->ac97, reg);
	110	default:
	111	reg = reg >> 1;
	112
91432e97	113	if (reg >= ARRAY_SIZE(ad1980_reg))
5f57dc8b CC	114	return -EINVAL;
	115
	116	return cache[reg];
	117	}
	118	}
	119
	120	static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
	121	unsigned int val)
	122	{
	123	u16 *cache = codec->reg_cache;
	124
	125	soc_ac97_ops.write(codec->ac97, reg, val);
	126	reg = reg >> 1;
91432e97	127	if (reg < ARRAY_SIZE(ad1980_reg))
5f57dc8b CC	128	cache[reg] = val;
	129
	130	return 0;
	131	}
	132
b1cd9b24	133	struct snd_soc_dai ad1980_dai = {
5f57dc8b	134	.name = "AC97",
67c91513	135	.ac97_control = 1,
5f57dc8b CC	136	.playback = {
	137	.stream_name = "Playback",
	138	.channels_min = 2,
9905ed35	139	.channels_max = 6,
5f57dc8b	140	.rates = SNDRV_PCM_RATE_48000,
33f503c9	141	.formats = SND_SOC_STD_AC97_FMTS, },
5f57dc8b CC	142	.capture = {
	143	.stream_name = "Capture",
	144	.channels_min = 2,
	145	.channels_max = 2,
	146	.rates = SNDRV_PCM_RATE_48000,
33f503c9	147	.formats = SND_SOC_STD_AC97_FMTS, },
5f57dc8b CC	148	};
	149	EXPORT_SYMBOL_GPL(ad1980_dai);
	150
	151	static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
	152	{
	153	u16 retry_cnt = 0;
	154
	155	retry:
	156	if (try_warm && soc_ac97_ops.warm_reset) {
	157	soc_ac97_ops.warm_reset(codec->ac97);
	158	if (ac97_read(codec, AC97_RESET) == 0x0090)
	159	return 1;
	160	}
	161
	162	soc_ac97_ops.reset(codec->ac97);
	163	/* Set bit 16slot in register 74h, then every slot will has only 16
	164	* bits. This command is sent out in 20bit mode, in which case the
	165	* first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
	166	ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900);
	167
	168	if (ac97_read(codec, AC97_RESET) != 0x0090)
	169	goto err;
	170	return 0;
	171
	172	err:
	173	while (retry_cnt++ < 10)
	174	goto retry;
	175
	176	printk(KERN_ERR "AD1980 AC97 reset failed\n");
	177	return -EIO;
	178	}
	179
	180	static int ad1980_soc_probe(struct platform_device *pdev)
	181	{
	182	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
	183	struct snd_soc_codec *codec;
	184	int ret = 0;
	185	u16 vendor_id2;
9905ed35	186	u16 ext_status;
5f57dc8b CC	187
	188	printk(KERN_INFO "AD1980 SoC Audio Codec\n");
	189
6627a653 MB	190	socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
6627a653 MB	191	if (socdev->card->codec == NULL)
5f57dc8b	192	return -ENOMEM;
6627a653	193	codec = socdev->card->codec;
5f57dc8b CC	194	mutex_init(&codec->mutex);
	195
	196	codec->reg_cache =
	197	kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL);
	198	if (codec->reg_cache == NULL) {
	199	ret = -ENOMEM;
	200	goto cache_err;
	201	}
	202	memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \
	203	ARRAY_SIZE(ad1980_reg));
	204	codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg);
	205	codec->reg_cache_step = 2;
	206	codec->name = "AD1980";
	207	codec->owner = THIS_MODULE;
	208	codec->dai = &ad1980_dai;
	209	codec->num_dai = 1;
	210	codec->write = ac97_write;
	211	codec->read = ac97_read;
	212	INIT_LIST_HEAD(&codec->dapm_widgets);
	213	INIT_LIST_HEAD(&codec->dapm_paths);
	214
	215	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
	216	if (ret < 0) {
	217	printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
	218	goto codec_err;
	219	}
	220
	221	/* register pcms */
	222	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
	223	if (ret < 0)
	224	goto pcm_err;
	225
	226
	227	ret = ad1980_reset(codec, 0);
	228	if (ret < 0) {
39639fab	229	printk(KERN_ERR "Failed to reset AD1980: AC97 link error\n");
5f57dc8b CC	230	goto reset_err;
	231	}
	232
	233	/* Read out vendor ID to make sure it is ad1980 */
	234	if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144)
	235	goto reset_err;
	236
	237	vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2);
	238
	239	if (vendor_id2 != 0x5370) {
	240	if (vendor_id2 != 0x5374)
	241	goto reset_err;
	242	else
	243	printk(KERN_WARNING "ad1980: "
	244	"Found AD1981 - only 2/2 IN/OUT Channels "
	245	"supported\n");
	246	}
	247
9905ed35 CC	248	/* unmute captures and playbacks volume */
	249	ac97_write(codec, AC97_MASTER, 0x0000);
	250	ac97_write(codec, AC97_PCM, 0x0000);
	251	ac97_write(codec, AC97_REC_GAIN, 0x0000);
	252	ac97_write(codec, AC97_CENTER_LFE_MASTER, 0x0000);
	253	ac97_write(codec, AC97_SURROUND_MASTER, 0x0000);
	254
	255	/power on LFE/CENTER/Surround DACs/
	256	ext_status = ac97_read(codec, AC97_EXTENDED_STATUS);
	257	ac97_write(codec, AC97_EXTENDED_STATUS, ext_status&~0x3800);
5f57dc8b	258
3e8e1952 IM	259	snd_soc_add_controls(codec, ad1980_snd_ac97_controls,
3e8e1952 IM	260	ARRAY_SIZE(ad1980_snd_ac97_controls));
5f57dc8b CC	261
	262	return 0;
	263
	264	reset_err:
	265	snd_soc_free_pcms(socdev);
	266
	267	pcm_err:
	268	snd_soc_free_ac97_codec(codec);
	269
	270	codec_err:
	271	kfree(codec->reg_cache);
	272
	273	cache_err:
6627a653 MB	274	kfree(socdev->card->codec);
6627a653 MB	275	socdev->card->codec = NULL;
5f57dc8b CC	276	return ret;
	277	}
	278
	279	static int ad1980_soc_remove(struct platform_device *pdev)
	280	{
	281	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
6627a653	282	struct snd_soc_codec *codec = socdev->card->codec;
5f57dc8b CC	283
	284	if (codec == NULL)
	285	return 0;
	286
	287	snd_soc_dapm_free(socdev);
	288	snd_soc_free_pcms(socdev);
	289	snd_soc_free_ac97_codec(codec);
	290	kfree(codec->reg_cache);
	291	kfree(codec);
	292	return 0;
	293	}
	294
	295	struct snd_soc_codec_device soc_codec_dev_ad1980 = {
	296	.probe = ad1980_soc_probe,
	297	.remove = ad1980_soc_remove,
	298	};
	299	EXPORT_SYMBOL_GPL(soc_codec_dev_ad1980);
	300
	301	MODULE_DESCRIPTION("ASoC ad1980 driver");
	302	MODULE_AUTHOR("Roy Huang, Cliff Cai");
	303	MODULE_LICENSE("GPL");