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Diffstat (limited to 'sound/pci/hda/hda_sysfs.c')
-rw-r--r--sound/pci/hda/hda_sysfs.c792
1 files changed, 0 insertions, 792 deletions
diff --git a/sound/pci/hda/hda_sysfs.c b/sound/pci/hda/hda_sysfs.c
deleted file mode 100644
index 140e24bf4d7f..000000000000
--- a/sound/pci/hda/hda_sysfs.c
+++ /dev/null
@@ -1,792 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * sysfs interface for HD-audio codec
- *
- * Copyright (c) 2014 Takashi Iwai <tiwai@suse.de>
- *
- * split from hda_hwdep.c
- */
-
-#include <linux/init.h>
-#include <linux/slab.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 <sound/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 */
-};
-
-static ssize_t power_on_acct_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hda_codec *codec = dev_get_drvdata(dev);
- snd_hda_update_power_acct(codec);
- return sysfs_emit(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 hda_codec *codec = dev_get_drvdata(dev);
- snd_hda_update_power_acct(codec);
- return sysfs_emit(buf, "%u\n", jiffies_to_msecs(codec->power_off_acct));
-}
-
-static DEVICE_ATTR_RO(power_on_acct);
-static DEVICE_ATTR_RO(power_off_acct);
-
-#define CODEC_INFO_SHOW(type, field) \
-static ssize_t type##_show(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- struct hda_codec *codec = dev_get_drvdata(dev); \
- return sysfs_emit(buf, "0x%x\n", codec->field); \
-}
-
-#define CODEC_INFO_STR_SHOW(type, field) \
-static ssize_t type##_show(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- struct hda_codec *codec = dev_get_drvdata(dev); \
- return sysfs_emit(buf, "%s\n", \
- codec->field ? codec->field : ""); \
-}
-
-CODEC_INFO_SHOW(vendor_id, core.vendor_id);
-CODEC_INFO_SHOW(subsystem_id, core.subsystem_id);
-CODEC_INFO_SHOW(revision_id, core.revision_id);
-CODEC_INFO_SHOW(afg, core.afg);
-CODEC_INFO_SHOW(mfg, core.mfg);
-CODEC_INFO_STR_SHOW(vendor_name, core.vendor_name);
-CODEC_INFO_STR_SHOW(chip_name, core.chip_name);
-CODEC_INFO_STR_SHOW(modelname, modelname);
-
-static ssize_t pin_configs_show(struct hda_codec *codec,
- struct snd_array *list,
- char *buf)
-{
- const struct hda_pincfg *pin;
- int i, len = 0;
- mutex_lock(&codec->user_mutex);
- snd_array_for_each(list, i, pin) {
- len += sysfs_emit_at(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 hda_codec *codec = dev_get_drvdata(dev);
- return pin_configs_show(codec, &codec->init_pins, buf);
-}
-
-static ssize_t driver_pin_configs_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hda_codec *codec = dev_get_drvdata(dev);
- return pin_configs_show(codec, &codec->driver_pins, buf);
-}
-
-#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) {
- codec_err(codec, "The codec is being used, can't free.\n");
- return err;
- }
- snd_hda_sysfs_clear(codec);
- return 0;
-}
-
-static int reconfig_codec(struct hda_codec *codec)
-{
- int err;
-
- snd_hda_power_up(codec);
- codec_info(codec, "hda-codec: reconfiguring\n");
- err = snd_hda_codec_reset(codec);
- if (err < 0) {
- codec_err(codec,
- "The codec is being used, can't reconfigure.\n");
- goto error;
- }
- err = device_reprobe(hda_codec_dev(codec));
- if (err < 0)
- goto error;
- err = snd_card_register(codec->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_STORE(type, field) \
-static ssize_t type##_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct hda_codec *codec = dev_get_drvdata(dev); \
- unsigned long val; \
- int err = kstrtoul(buf, 0, &val); \
- if (err < 0) \
- return err; \
- codec->field = val; \
- return count; \
-}
-
-#define CODEC_INFO_STR_STORE(type, field) \
-static ssize_t type##_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct hda_codec *codec = dev_get_drvdata(dev); \
- char *s = kstrndup_noeol(buf, 64); \
- if (!s) \
- return -ENOMEM; \
- kfree(codec->field); \
- codec->field = s; \
- return count; \
-}
-
-CODEC_INFO_STORE(vendor_id, core.vendor_id);
-CODEC_INFO_STORE(subsystem_id, core.subsystem_id);
-CODEC_INFO_STORE(revision_id, core.revision_id);
-CODEC_INFO_STR_STORE(vendor_name, core.vendor_name);
-CODEC_INFO_STR_STORE(chip_name, core.chip_name);
-CODEC_INFO_STR_STORE(modelname, 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 hda_codec *codec = dev_get_drvdata(dev); \
- 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 hda_codec *codec = dev_get_drvdata(dev);
- const struct hda_verb *v;
- int i, len = 0;
- mutex_lock(&codec->user_mutex);
- snd_array_for_each(&codec->init_verbs, i, v) {
- len += sysfs_emit_at(buf, 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 hda_codec *codec = dev_get_drvdata(dev);
- 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 hda_codec *codec = dev_get_drvdata(dev);
- const struct hda_hint *hint;
- int i, len = 0;
- mutex_lock(&codec->user_mutex);
- snd_array_for_each(&codec->hints, i, hint) {
- len += sysfs_emit_at(buf, 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)
-{
- struct hda_hint *hint;
- int i;
-
- snd_array_for_each(&codec->hints, i, hint) {
- 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 hda_codec *codec = dev_get_drvdata(dev);
- int err = parse_hints(codec, buf);
- if (err < 0)
- return err;
- return count;
-}
-
-static ssize_t user_pin_configs_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct hda_codec *codec = dev_get_drvdata(dev);
- return pin_configs_show(codec, &codec->user_pins, buf);
-}
-
-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 hda_codec *codec = dev_get_drvdata(dev);
- int err = parse_user_pin_configs(codec, buf);
- if (err < 0)
- return err;
- return count;
-}
-
-/* sysfs attributes exposed only when CONFIG_SND_HDA_RECONFIG=y */
-static DEVICE_ATTR_RW(init_verbs);
-static DEVICE_ATTR_RW(hints);
-static DEVICE_ATTR_RW(user_pin_configs);
-static DEVICE_ATTR_WO(reconfig);
-static DEVICE_ATTR_WO(clear);
-
-/**
- * snd_hda_get_hint - Look for hint string
- * @codec: the HDA codec
- * @key: the hint key string
- *
- * Look for a hint key/value pair matching with the given key string
- * and returns the value string. If nothing found, returns NULL.
- */
-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);
-
-/**
- * snd_hda_get_bool_hint - Get a boolean hint value
- * @codec: the HDA codec
- * @key: the hint key string
- *
- * Look for a hint key/value pair matching with the given key string
- * and returns a boolean value parsed from the value. If no matching
- * key is found, return a negative value.
- */
-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);
-
-/**
- * snd_hda_get_int_hint - Get an integer hint value
- * @codec: the HDA codec
- * @key: the hint key string
- * @valp: pointer to store a value
- *
- * Look for a hint key/value pair matching with the given key string
- * and stores the integer value to @valp. If no matching key is found,
- * return a negative error code. Otherwise it returns zero.
- */
-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 */
-
-/*
- * common sysfs attributes
- */
-#ifdef CONFIG_SND_HDA_RECONFIG
-#define RECONFIG_DEVICE_ATTR(name) DEVICE_ATTR_RW(name)
-#else
-#define RECONFIG_DEVICE_ATTR(name) DEVICE_ATTR_RO(name)
-#endif
-static RECONFIG_DEVICE_ATTR(vendor_id);
-static RECONFIG_DEVICE_ATTR(subsystem_id);
-static RECONFIG_DEVICE_ATTR(revision_id);
-static DEVICE_ATTR_RO(afg);
-static DEVICE_ATTR_RO(mfg);
-static RECONFIG_DEVICE_ATTR(vendor_name);
-static RECONFIG_DEVICE_ATTR(chip_name);
-static RECONFIG_DEVICE_ATTR(modelname);
-static DEVICE_ATTR_RO(init_pin_configs);
-static DEVICE_ATTR_RO(driver_pin_configs);
-
-
-#ifdef CONFIG_SND_HDA_PATCH_LOADER
-
-/* 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 strncasecmp(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_codec(codec, bus) {
- if ((vendorid <= 0 || codec->core.vendor_id == vendorid) &&
- (subid <= 0 || codec->core.subsystem_id == subid) &&
- codec->core.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)
-{
- snd_hda_codec_set_name(*codecp, buf);
-}
-
-#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)->core.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 const 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 accordingly */
-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;
-}
-
-/**
- * snd_hda_load_patch - load a "patch" firmware file and parse it
- * @bus: HD-audio bus
- * @fw_size: the firmware byte size
- * @fw_buf: the firmware data
- */
-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 */
-
-/*
- * sysfs entries
- */
-static struct attribute *hda_dev_attrs[] = {
- &dev_attr_vendor_id.attr,
- &dev_attr_subsystem_id.attr,
- &dev_attr_revision_id.attr,
- &dev_attr_afg.attr,
- &dev_attr_mfg.attr,
- &dev_attr_vendor_name.attr,
- &dev_attr_chip_name.attr,
- &dev_attr_modelname.attr,
- &dev_attr_init_pin_configs.attr,
- &dev_attr_driver_pin_configs.attr,
- &dev_attr_power_on_acct.attr,
- &dev_attr_power_off_acct.attr,
-#ifdef CONFIG_SND_HDA_RECONFIG
- &dev_attr_init_verbs.attr,
- &dev_attr_hints.attr,
- &dev_attr_user_pin_configs.attr,
- &dev_attr_reconfig.attr,
- &dev_attr_clear.attr,
-#endif
- NULL
-};
-
-static const struct attribute_group hda_dev_attr_group = {
- .attrs = hda_dev_attrs,
-};
-
-const struct attribute_group *snd_hda_dev_attr_groups[] = {
- &hda_dev_attr_group,
- NULL
-};
-
-void snd_hda_sysfs_init(struct hda_codec *codec)
-{
- mutex_init(&codec->user_mutex);
-#ifdef CONFIG_SND_HDA_RECONFIG
- 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);
-#endif
-}
-
-void snd_hda_sysfs_clear(struct hda_codec *codec)
-{
-#ifdef CONFIG_SND_HDA_RECONFIG
- struct hda_hint *hint;
- int i;
-
- /* clear init verbs */
- snd_array_free(&codec->init_verbs);
- /* clear hints */
- snd_array_for_each(&codec->hints, i, hint) {
- kfree(hint->key); /* we don't need to free hint->val */
- }
- snd_array_free(&codec->hints);
- snd_array_free(&codec->user_pins);
-#endif
-}
generated by cgit (git 2.34.1) at 2025-07-30 21:11:12 +0000