1 files changed, 3 insertions, 766 deletions

diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 72d8389..014a784 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -20,24 +20,13 @@
 
 #include <linux/init.h>
 #include <linux/slab.h>
-#include <linux/pci.h>
 #include <linux/compat.h>
-#include <linux/mutex.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/export.h>
 #include <sound/core.h>
 #include "hda_codec.h"
 #include "hda_local.h"
 #include <sound/hda_hwdep.h>
 #include <sound/minors.h>
 
-/* hint string pair */
-struct hda_hint {
-	const char *key;
-	const char *val;	/* contained in the same alloc as key */
-};
-
 /*
  * write/read an out-of-bound verb
  */
@@ -105,26 +94,6 @@ static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file)
 	return 0;
 }
 
-static void clear_hwdep_elements(struct hda_codec *codec)
-{
-	int i;
-
-	/* clear init verbs */
-	snd_array_free(&codec->init_verbs);
-	/* clear hints */
-	for (i = 0; i < codec->hints.used; i++) {
-		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
-		kfree(hint->key); /* we don't need to free hint->val */
-	}
-	snd_array_free(&codec->hints);
-	snd_array_free(&codec->user_pins);
-}
-
-static void hwdep_free(struct snd_hwdep *hwdep)
-{
-	clear_hwdep_elements(hwdep->private_data);
-}
-
 int snd_hda_create_hwdep(struct hda_codec *codec)
 {
 	char hwname[16];
@@ -139,8 +108,8 @@ int snd_hda_create_hwdep(struct hda_codec *codec)
 	sprintf(hwdep->name, "HDA Codec %d", codec->addr);
 	hwdep->iface = SNDRV_HWDEP_IFACE_HDA;
 	hwdep->private_data = codec;
-	hwdep->private_free = hwdep_free;
 	hwdep->exclusive = 1;
+	hwdep->groups = snd_hda_dev_attr_groups;
 
 	hwdep->ops.open = hda_hwdep_open;
 	hwdep->ops.ioctl = hda_hwdep_ioctl;
@@ -148,740 +117,8 @@ int snd_hda_create_hwdep(struct hda_codec *codec)
 	hwdep->ops.ioctl_compat = hda_hwdep_ioctl_compat;
 #endif
 
-	mutex_init(&codec->user_mutex);
-	snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32);
-	snd_array_init(&codec->hints, sizeof(struct hda_hint), 32);
-	snd_array_init(&codec->user_pins, sizeof(struct hda_pincfg), 16);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static ssize_t power_on_acct_show(struct device *dev,
-				  struct device_attribute *attr,
-				  char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	snd_hda_update_power_acct(codec);
-	return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_on_acct));
-}
-
-static ssize_t power_off_acct_show(struct device *dev,
-				   struct device_attribute *attr,
-				   char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	snd_hda_update_power_acct(codec);
-	return sprintf(buf, "%u\n", jiffies_to_msecs(codec->power_off_acct));
-}
-
-static struct device_attribute power_attrs[] = {
-	__ATTR_RO(power_on_acct),
-	__ATTR_RO(power_off_acct),
-};
-
-int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
-{
-	struct snd_hwdep *hwdep = codec->hwdep;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(power_attrs); i++)
-		snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card,
-					  hwdep->device, &power_attrs[i]);
-	return 0;
-}
-#endif /* CONFIG_PM */
-
-#ifdef CONFIG_SND_HDA_RECONFIG
-
-/*
- * sysfs interface
- */
-
-static int clear_codec(struct hda_codec *codec)
-{
-	int err;
-
-	err = snd_hda_codec_reset(codec);
-	if (err < 0) {
-		snd_printk(KERN_ERR "The codec is being used, can't free.\n");
-		return err;
-	}
-	clear_hwdep_elements(codec);
-	return 0;
-}
-
-static int reconfig_codec(struct hda_codec *codec)
-{
-	int err;
-
-	snd_hda_power_up(codec);
-	snd_printk(KERN_INFO "hda-codec: reconfiguring\n");
-	err = snd_hda_codec_reset(codec);
-	if (err < 0) {
-		snd_printk(KERN_ERR
-			   "The codec is being used, can't reconfigure.\n");
-		goto error;
-	}
-	err = snd_hda_codec_configure(codec);
-	if (err < 0)
-		goto error;
-	/* rebuild PCMs */
-	err = snd_hda_codec_build_pcms(codec);
-	if (err < 0)
-		goto error;
-	/* rebuild mixers */
-	err = snd_hda_codec_build_controls(codec);
-	if (err < 0)
-		goto error;
-	err = snd_card_register(codec->bus->card);
- error:
-	snd_hda_power_down(codec);
-	return err;
-}
-
-/*
- * allocate a string at most len chars, and remove the trailing EOL
- */
-static char *kstrndup_noeol(const char *src, size_t len)
-{
-	char *s = kstrndup(src, len, GFP_KERNEL);
-	char *p;
-	if (!s)
-		return NULL;
-	p = strchr(s, '\n');
-	if (p)
-		*p = 0;
-	return s;
-}
-
-#define CODEC_INFO_SHOW(type)					\
-static ssize_t type##_show(struct device *dev,			\
-			   struct device_attribute *attr,	\
-			   char *buf)				\
-{								\
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);		\
-	struct hda_codec *codec = hwdep->private_data;		\
-	return sprintf(buf, "0x%x\n", codec->type);		\
-}
-
-#define CODEC_INFO_STR_SHOW(type)				\
-static ssize_t type##_show(struct device *dev,			\
-			     struct device_attribute *attr,	\
-					char *buf)		\
-{								\
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);		\
-	struct hda_codec *codec = hwdep->private_data;		\
-	return sprintf(buf, "%s\n",				\
-		       codec->type ? codec->type : "");		\
-}
-
-CODEC_INFO_SHOW(vendor_id);
-CODEC_INFO_SHOW(subsystem_id);
-CODEC_INFO_SHOW(revision_id);
-CODEC_INFO_SHOW(afg);
-CODEC_INFO_SHOW(mfg);
-CODEC_INFO_STR_SHOW(vendor_name);
-CODEC_INFO_STR_SHOW(chip_name);
-CODEC_INFO_STR_SHOW(modelname);
-
-#define CODEC_INFO_STORE(type)					\
-static ssize_t type##_store(struct device *dev,			\
-			    struct device_attribute *attr,	\
-			    const char *buf, size_t count)	\
-{								\
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);		\
-	struct hda_codec *codec = hwdep->private_data;		\
-	unsigned long val;					\
-	int err = kstrtoul(buf, 0, &val);			\
-	if (err < 0)						\
-		return err;					\
-	codec->type = val;					\
-	return count;						\
-}
-
-#define CODEC_INFO_STR_STORE(type)				\
-static ssize_t type##_store(struct device *dev,			\
-			    struct device_attribute *attr,	\
-			    const char *buf, size_t count)	\
-{								\
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);		\
-	struct hda_codec *codec = hwdep->private_data;		\
-	char *s = kstrndup_noeol(buf, 64);			\
-	if (!s)							\
-		return -ENOMEM;					\
-	kfree(codec->type);					\
-	codec->type = s;					\
-	return count;						\
-}
-
-CODEC_INFO_STORE(vendor_id);
-CODEC_INFO_STORE(subsystem_id);
-CODEC_INFO_STORE(revision_id);
-CODEC_INFO_STR_STORE(vendor_name);
-CODEC_INFO_STR_STORE(chip_name);
-CODEC_INFO_STR_STORE(modelname);
-
-#define CODEC_ACTION_STORE(type)				\
-static ssize_t type##_store(struct device *dev,			\
-			    struct device_attribute *attr,	\
-			    const char *buf, size_t count)	\
-{								\
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);		\
-	struct hda_codec *codec = hwdep->private_data;		\
-	int err = 0;						\
-	if (*buf)						\
-		err = type##_codec(codec);			\
-	return err < 0 ? err : count;				\
-}
-
-CODEC_ACTION_STORE(reconfig);
-CODEC_ACTION_STORE(clear);
-
-static ssize_t init_verbs_show(struct device *dev,
-			       struct device_attribute *attr,
-			       char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	int i, len = 0;
-	mutex_lock(&codec->user_mutex);
-	for (i = 0; i < codec->init_verbs.used; i++) {
-		struct hda_verb *v = snd_array_elem(&codec->init_verbs, i);
-		len += snprintf(buf + len, PAGE_SIZE - len,
-				"0x%02x 0x%03x 0x%04x\n",
-				v->nid, v->verb, v->param);
-	}
-	mutex_unlock(&codec->user_mutex);
-	return len;
-}
-
-static int parse_init_verbs(struct hda_codec *codec, const char *buf)
-{
-	struct hda_verb *v;
-	int nid, verb, param;
-
-	if (sscanf(buf, "%i %i %i", &nid, &verb, &param) != 3)
-		return -EINVAL;
-	if (!nid || !verb)
-		return -EINVAL;
-	mutex_lock(&codec->user_mutex);
-	v = snd_array_new(&codec->init_verbs);
-	if (!v) {
-		mutex_unlock(&codec->user_mutex);
-		return -ENOMEM;
-	}
-	v->nid = nid;
-	v->verb = verb;
-	v->param = param;
-	mutex_unlock(&codec->user_mutex);
-	return 0;
-}
-
-static ssize_t init_verbs_store(struct device *dev,
-				struct device_attribute *attr,
-				const char *buf, size_t count)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	int err = parse_init_verbs(codec, buf);
-	if (err < 0)
-		return err;
-	return count;
-}
-
-static ssize_t hints_show(struct device *dev,
-			  struct device_attribute *attr,
-			  char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	int i, len = 0;
-	mutex_lock(&codec->user_mutex);
-	for (i = 0; i < codec->hints.used; i++) {
-		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
-		len += snprintf(buf + len, PAGE_SIZE - len,
-				"%s = %s\n", hint->key, hint->val);
-	}
-	mutex_unlock(&codec->user_mutex);
-	return len;
-}
-
-static struct hda_hint *get_hint(struct hda_codec *codec, const char *key)
-{
-	int i;
-
-	for (i = 0; i < codec->hints.used; i++) {
-		struct hda_hint *hint = snd_array_elem(&codec->hints, i);
-		if (!strcmp(hint->key, key))
-			return hint;
-	}
-	return NULL;
-}
-
-static void remove_trail_spaces(char *str)
-{
-	char *p;
-	if (!*str)
-		return;
-	p = str + strlen(str) - 1;
-	for (; isspace(*p); p--) {
-		*p = 0;
-		if (p == str)
-			return;
-	}
-}
-
-#define MAX_HINTS	1024
-
-static int parse_hints(struct hda_codec *codec, const char *buf)
-{
-	char *key, *val;
-	struct hda_hint *hint;
-	int err = 0;
-
-	buf = skip_spaces(buf);
-	if (!*buf || *buf == '#' || *buf == '\n')
-		return 0;
-	if (*buf == '=')
-		return -EINVAL;
-	key = kstrndup_noeol(buf, 1024);
-	if (!key)
-		return -ENOMEM;
-	/* extract key and val */
-	val = strchr(key, '=');
-	if (!val) {
-		kfree(key);
-		return -EINVAL;
-	}
-	*val++ = 0;
-	val = skip_spaces(val);
-	remove_trail_spaces(key);
-	remove_trail_spaces(val);
-	mutex_lock(&codec->user_mutex);
-	hint = get_hint(codec, key);
-	if (hint) {
-		/* replace */
-		kfree(hint->key);
-		hint->key = key;
-		hint->val = val;
-		goto unlock;
-	}
-	/* allocate a new hint entry */
-	if (codec->hints.used >= MAX_HINTS)
-		hint = NULL;
-	else
-		hint = snd_array_new(&codec->hints);
-	if (hint) {
-		hint->key = key;
-		hint->val = val;
-	} else {
-		err = -ENOMEM;
-	}
- unlock:
-	mutex_unlock(&codec->user_mutex);
-	if (err)
-		kfree(key);
-	return err;
-}
-
-static ssize_t hints_store(struct device *dev,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	int err = parse_hints(codec, buf);
-	if (err < 0)
-		return err;
-	return count;
-}
-
-static ssize_t pin_configs_show(struct hda_codec *codec,
-				struct snd_array *list,
-				char *buf)
-{
-	int i, len = 0;
-	mutex_lock(&codec->user_mutex);
-	for (i = 0; i < list->used; i++) {
-		struct hda_pincfg *pin = snd_array_elem(list, i);
-		len += sprintf(buf + len, "0x%02x 0x%08x\n",
-			       pin->nid, pin->cfg);
-	}
-	mutex_unlock(&codec->user_mutex);
-	return len;
-}
-
-static ssize_t init_pin_configs_show(struct device *dev,
-				     struct device_attribute *attr,
-				     char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	return pin_configs_show(codec, &codec->init_pins, buf);
-}
-
-static ssize_t user_pin_configs_show(struct device *dev,
-				     struct device_attribute *attr,
-				     char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	return pin_configs_show(codec, &codec->user_pins, buf);
-}
-
-static ssize_t driver_pin_configs_show(struct device *dev,
-				       struct device_attribute *attr,
-				       char *buf)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	return pin_configs_show(codec, &codec->driver_pins, buf);
-}
-
-#define MAX_PIN_CONFIGS		32
-
-static int parse_user_pin_configs(struct hda_codec *codec, const char *buf)
-{
-	int nid, cfg, err;
-
-	if (sscanf(buf, "%i %i", &nid, &cfg) != 2)
-		return -EINVAL;
-	if (!nid)
-		return -EINVAL;
-	mutex_lock(&codec->user_mutex);
-	err = snd_hda_add_pincfg(codec, &codec->user_pins, nid, cfg);
-	mutex_unlock(&codec->user_mutex);
-	return err;
-}
-
-static ssize_t user_pin_configs_store(struct device *dev,
-				      struct device_attribute *attr,
-				      const char *buf, size_t count)
-{
-	struct snd_hwdep *hwdep = dev_get_drvdata(dev);
-	struct hda_codec *codec = hwdep->private_data;
-	int err = parse_user_pin_configs(codec, buf);
-	if (err < 0)
-		return err;
-	return count;
-}
-
-#define CODEC_ATTR_RW(type) \
-	__ATTR(type, 0644, type##_show, type##_store)
-#define CODEC_ATTR_RO(type) \
-	__ATTR_RO(type)
-#define CODEC_ATTR_WO(type) \
-	__ATTR(type, 0200, NULL, type##_store)
-
-static struct device_attribute codec_attrs[] = {
-	CODEC_ATTR_RW(vendor_id),
-	CODEC_ATTR_RW(subsystem_id),
-	CODEC_ATTR_RW(revision_id),
-	CODEC_ATTR_RO(afg),
-	CODEC_ATTR_RO(mfg),
-	CODEC_ATTR_RW(vendor_name),
-	CODEC_ATTR_RW(chip_name),
-	CODEC_ATTR_RW(modelname),
-	CODEC_ATTR_RW(init_verbs),
-	CODEC_ATTR_RW(hints),
-	CODEC_ATTR_RO(init_pin_configs),
-	CODEC_ATTR_RW(user_pin_configs),
-	CODEC_ATTR_RO(driver_pin_configs),
-	CODEC_ATTR_WO(reconfig),
-	CODEC_ATTR_WO(clear),
-};
-
-/*
- * create sysfs files on hwdep directory
- */
-int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
-{
-	struct snd_hwdep *hwdep = codec->hwdep;
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(codec_attrs); i++)
-		snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card,
-					  hwdep->device, &codec_attrs[i]);
-	return 0;
-}
-
-/*
- * Look for hint string
- */
-const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
-{
-	struct hda_hint *hint = get_hint(codec, key);
-	return hint ? hint->val : NULL;
-}
-EXPORT_SYMBOL_GPL(snd_hda_get_hint);
-
-int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
-{
-	const char *p;
-	int ret;
-
-	mutex_lock(&codec->user_mutex);
-	p = snd_hda_get_hint(codec, key);
-	if (!p || !*p)
-		ret = -ENOENT;
-	else {
-		switch (toupper(*p)) {
-		case 'T': /* true */
-		case 'Y': /* yes */
-		case '1':
-			ret = 1;
-			break;
-		default:
-			ret = 0;
-			break;
-		}
-	}
-	mutex_unlock(&codec->user_mutex);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(snd_hda_get_bool_hint);
-
-int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
-{
-	const char *p;
-	unsigned long val;
-	int ret;
-
-	mutex_lock(&codec->user_mutex);
-	p = snd_hda_get_hint(codec, key);
-	if (!p)
-		ret = -ENOENT;
-	else if (kstrtoul(p, 0, &val))
-		ret = -EINVAL;
-	else {
-		*valp = val;
-		ret = 0;
-	}
-	mutex_unlock(&codec->user_mutex);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(snd_hda_get_int_hint);
-#endif /* CONFIG_SND_HDA_RECONFIG */
-
-#ifdef CONFIG_SND_HDA_PATCH_LOADER
+	/* link to codec */
+	hwdep->dev = &codec->dev;
 
-/* parser mode */
-enum {
-	LINE_MODE_NONE,
-	LINE_MODE_CODEC,
-	LINE_MODE_MODEL,
-	LINE_MODE_PINCFG,
-	LINE_MODE_VERB,
-	LINE_MODE_HINT,
-	LINE_MODE_VENDOR_ID,
-	LINE_MODE_SUBSYSTEM_ID,
-	LINE_MODE_REVISION_ID,
-	LINE_MODE_CHIP_NAME,
-	NUM_LINE_MODES,
-};
-
-static inline int strmatch(const char *a, const char *b)
-{
-	return strnicmp(a, b, strlen(b)) == 0;
-}
-
-/* parse the contents after the line "[codec]"
- * accept only the line with three numbers, and assign the current codec
- */
-static void parse_codec_mode(char *buf, struct hda_bus *bus,
-			     struct hda_codec **codecp)
-{
-	int vendorid, subid, caddr;
-	struct hda_codec *codec;
-
-	*codecp = NULL;
-	if (sscanf(buf, "%i %i %i", &vendorid, &subid, &caddr) == 3) {
-		list_for_each_entry(codec, &bus->codec_list, list) {
-			if ((vendorid <= 0 || codec->vendor_id == vendorid) &&
-			    (subid <= 0 || codec->subsystem_id == subid) &&
-			    codec->addr == caddr) {
-				*codecp = codec;
-				break;
-			}
-		}
-	}
-}
-
-/* parse the contents after the other command tags, [pincfg], [verb],
- * [vendor_id], [subsystem_id], [revision_id], [chip_name], [hint] and [model]
- * just pass to the sysfs helper (only when any codec was specified)
- */
-static void parse_pincfg_mode(char *buf, struct hda_bus *bus,
-			      struct hda_codec **codecp)
-{
-	parse_user_pin_configs(*codecp, buf);
-}
-
-static void parse_verb_mode(char *buf, struct hda_bus *bus,
-			    struct hda_codec **codecp)
-{
-	parse_init_verbs(*codecp, buf);
-}
-
-static void parse_hint_mode(char *buf, struct hda_bus *bus,
-			    struct hda_codec **codecp)
-{
-	parse_hints(*codecp, buf);
-}
-
-static void parse_model_mode(char *buf, struct hda_bus *bus,
-			     struct hda_codec **codecp)
-{
-	kfree((*codecp)->modelname);
-	(*codecp)->modelname = kstrdup(buf, GFP_KERNEL);
-}
-
-static void parse_chip_name_mode(char *buf, struct hda_bus *bus,
-				 struct hda_codec **codecp)
-{
-	kfree((*codecp)->chip_name);
-	(*codecp)->chip_name = kstrdup(buf, GFP_KERNEL);
-}
-
-#define DEFINE_PARSE_ID_MODE(name) \
-static void parse_##name##_mode(char *buf, struct hda_bus *bus, \
-				 struct hda_codec **codecp) \
-{ \
-	unsigned long val; \
-	if (!kstrtoul(buf, 0, &val)) \
-		(*codecp)->name = val; \
-}
-
-DEFINE_PARSE_ID_MODE(vendor_id);
-DEFINE_PARSE_ID_MODE(subsystem_id);
-DEFINE_PARSE_ID_MODE(revision_id);
-
-
-struct hda_patch_item {
-	const char *tag;
-	const char *alias;
-	void (*parser)(char *buf, struct hda_bus *bus, struct hda_codec **retc);
-};
-
-static struct hda_patch_item patch_items[NUM_LINE_MODES] = {
-	[LINE_MODE_CODEC] = {
-		.tag = "[codec]",
-		.parser = parse_codec_mode,
-	},
-	[LINE_MODE_MODEL] = {
-		.tag = "[model]",
-		.parser = parse_model_mode,
-	},
-	[LINE_MODE_VERB] = {
-		.tag = "[verb]",
-		.alias = "[init_verbs]",
-		.parser = parse_verb_mode,
-	},
-	[LINE_MODE_PINCFG] = {
-		.tag = "[pincfg]",
-		.alias = "[user_pin_configs]",
-		.parser = parse_pincfg_mode,
-	},
-	[LINE_MODE_HINT] = {
-		.tag = "[hint]",
-		.alias = "[hints]",
-		.parser = parse_hint_mode
-	},
-	[LINE_MODE_VENDOR_ID] = {
-		.tag = "[vendor_id]",
-		.parser = parse_vendor_id_mode,
-	},
-	[LINE_MODE_SUBSYSTEM_ID] = {
-		.tag = "[subsystem_id]",
-		.parser = parse_subsystem_id_mode,
-	},
-	[LINE_MODE_REVISION_ID] = {
-		.tag = "[revision_id]",
-		.parser = parse_revision_id_mode,
-	},
-	[LINE_MODE_CHIP_NAME] = {
-		.tag = "[chip_name]",
-		.parser = parse_chip_name_mode,
-	},
-};
-
-/* check the line starting with '[' -- change the parser mode accodingly */
-static int parse_line_mode(char *buf, struct hda_bus *bus)
-{
-	int i;
-	for (i = 0; i < ARRAY_SIZE(patch_items); i++) {
-		if (!patch_items[i].tag)
-			continue;
-		if (strmatch(buf, patch_items[i].tag))
-			return i;
-		if (patch_items[i].alias && strmatch(buf, patch_items[i].alias))
-			return i;
-	}
-	return LINE_MODE_NONE;
-}
-
-/* copy one line from the buffer in fw, and update the fields in fw
- * return zero if it reaches to the end of the buffer, or non-zero
- * if successfully copied a line
- *
- * the spaces at the beginning and the end of the line are stripped
- */
-static int get_line_from_fw(char *buf, int size, size_t *fw_size_p,
-			    const void **fw_data_p)
-{
-	int len;
-	size_t fw_size = *fw_size_p;
-	const char *p = *fw_data_p;
-
-	while (isspace(*p) && fw_size) {
-		p++;
-		fw_size--;
-	}
-	if (!fw_size)
-		return 0;
-
-	for (len = 0; len < fw_size; len++) {
-		if (!*p)
-			break;
-		if (*p == '\n') {
-			p++;
-			len++;
-			break;
-		}
-		if (len < size)
-			*buf++ = *p++;
-	}
-	*buf = 0;
-	*fw_size_p = fw_size - len;
-	*fw_data_p = p;
-	remove_trail_spaces(buf);
-	return 1;
-}
-
-/*
- * load a "patch" firmware file and parse it
- */
-int snd_hda_load_patch(struct hda_bus *bus, size_t fw_size, const void *fw_buf)
-{
-	char buf[128];
-	struct hda_codec *codec;
-	int line_mode;
-
-	line_mode = LINE_MODE_NONE;
-	codec = NULL;
-	while (get_line_from_fw(buf, sizeof(buf) - 1, &fw_size, &fw_buf)) {
-		if (!*buf || *buf == '#' || *buf == '\n')
-			continue;
-		if (*buf == '[')
-			line_mode = parse_line_mode(buf, bus);
-		else if (patch_items[line_mode].parser &&
-			 (codec || line_mode <= LINE_MODE_CODEC))
-			patch_items[line_mode].parser(buf, bus, &codec);
-	}
 	return 0;
 }
-EXPORT_SYMBOL_GPL(snd_hda_load_patch);
-#endif /* CONFIG_SND_HDA_PATCH_LOADER */