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-rw-r--r--include/sound/hwdep.h3
-rw-r--r--sound/core/hwdep.c82
-rw-r--r--sound/pci/hda/hda_hwdep.c7
3 files changed, 38 insertions, 54 deletions
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
index ae04a3ec9c77..ab9fcb2f97f0 100644
--- a/include/sound/hwdep.h
+++ b/include/sound/hwdep.h
@@ -68,8 +68,7 @@ struct snd_hwdep {
wait_queue_head_t open_wait;
void *private_data;
void (*private_free) (struct snd_hwdep *hwdep);
- struct device *dev;
- const struct attribute_group **groups;
+ struct device dev;
struct mutex open_mutex;
int used; /* reference counter */
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 85096a150eda..506387ba645d 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -38,7 +38,6 @@ MODULE_LICENSE("GPL");
static LIST_HEAD(snd_hwdep_devices);
static DEFINE_MUTEX(register_mutex);
-static int snd_hwdep_free(struct snd_hwdep *hwdep);
static int snd_hwdep_dev_free(struct snd_device *device);
static int snd_hwdep_dev_register(struct snd_device *device);
static int snd_hwdep_dev_disconnect(struct snd_device *device);
@@ -345,6 +344,11 @@ static const struct file_operations snd_hwdep_f_ops =
.mmap = snd_hwdep_mmap,
};
+static void release_hwdep_device(struct device *dev)
+{
+ kfree(container_of(dev, struct snd_hwdep, dev));
+}
+
/**
* snd_hwdep_new - create a new hwdep instance
* @card: the card instance
@@ -378,48 +382,49 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
dev_err(card->dev, "hwdep: cannot allocate\n");
return -ENOMEM;
}
+
+ init_waitqueue_head(&hwdep->open_wait);
+ mutex_init(&hwdep->open_mutex);
hwdep->card = card;
hwdep->device = device;
if (id)
strlcpy(hwdep->id, id, sizeof(hwdep->id));
+
+ snd_device_initialize(&hwdep->dev, card);
+ hwdep->dev.release = release_hwdep_device;
+ dev_set_name(&hwdep->dev, "hwC%iD%i", card->number, device);
#ifdef CONFIG_SND_OSSEMUL
hwdep->oss_type = -1;
#endif
- if ((err = snd_device_new(card, SNDRV_DEV_HWDEP, hwdep, &ops)) < 0) {
- snd_hwdep_free(hwdep);
+
+ err = snd_device_new(card, SNDRV_DEV_HWDEP, hwdep, &ops);
+ if (err < 0) {
+ put_device(&hwdep->dev);
return err;
}
- init_waitqueue_head(&hwdep->open_wait);
- mutex_init(&hwdep->open_mutex);
+
if (rhwdep)
*rhwdep = hwdep;
return 0;
}
EXPORT_SYMBOL(snd_hwdep_new);
-static int snd_hwdep_free(struct snd_hwdep *hwdep)
+static int snd_hwdep_dev_free(struct snd_device *device)
{
+ struct snd_hwdep *hwdep = device->device_data;
if (!hwdep)
return 0;
if (hwdep->private_free)
hwdep->private_free(hwdep);
- kfree(hwdep);
+ put_device(&hwdep->dev);
return 0;
}
-static int snd_hwdep_dev_free(struct snd_device *device)
-{
- struct snd_hwdep *hwdep = device->device_data;
- return snd_hwdep_free(hwdep);
-}
-
static int snd_hwdep_dev_register(struct snd_device *device)
{
struct snd_hwdep *hwdep = device->device_data;
struct snd_card *card = hwdep->card;
- struct device *dev;
int err;
- char name[32];
mutex_lock(&register_mutex);
if (snd_hwdep_search(card, hwdep->device)) {
@@ -427,54 +432,31 @@ static int snd_hwdep_dev_register(struct snd_device *device)
return -EBUSY;
}
list_add_tail(&hwdep->list, &snd_hwdep_devices);
- sprintf(name, "hwC%iD%i", hwdep->card->number, hwdep->device);
- dev = hwdep->dev;
- if (!dev)
- dev = snd_card_get_device_link(hwdep->card);
err = snd_register_device_for_dev(SNDRV_DEVICE_TYPE_HWDEP,
hwdep->card, hwdep->device,
&snd_hwdep_f_ops, hwdep,
- NULL, dev, name);
+ &hwdep->dev, NULL, NULL);
if (err < 0) {
- dev_err(dev,
- "unable to register hardware dependent device %i:%i\n",
- card->number, hwdep->device);
+ dev_err(&hwdep->dev, "unable to register\n");
list_del(&hwdep->list);
mutex_unlock(&register_mutex);
return err;
}
- if (hwdep->groups) {
- struct device *d = snd_get_device(SNDRV_DEVICE_TYPE_HWDEP,
- hwdep->card, hwdep->device);
- if (d) {
- if (hwdep->private_data)
- dev_set_drvdata(d, hwdep->private_data);
- err = sysfs_create_groups(&d->kobj, hwdep->groups);
- if (err < 0)
- dev_warn(dev,
- "hwdep %d:%d: cannot create sysfs groups\n",
- card->number, hwdep->device);
- put_device(d);
- }
- }
-
#ifdef CONFIG_SND_OSSEMUL
hwdep->ossreg = 0;
if (hwdep->oss_type >= 0) {
- if ((hwdep->oss_type == SNDRV_OSS_DEVICE_TYPE_DMFM) && (hwdep->device != 0)) {
- dev_warn(dev,
+ if (hwdep->oss_type == SNDRV_OSS_DEVICE_TYPE_DMFM &&
+ hwdep->device)
+ dev_warn(&hwdep->dev,
"only hwdep device 0 can be registered as OSS direct FM device!\n");
- } else {
- if (snd_register_oss_device(hwdep->oss_type,
- card, hwdep->device,
- &snd_hwdep_f_ops, hwdep) < 0) {
- dev_err(dev,
- "unable to register OSS compatibility device %i:%i\n",
- card->number, hwdep->device);
- } else
- hwdep->ossreg = 1;
- }
+ else if (snd_register_oss_device(hwdep->oss_type,
+ card, hwdep->device,
+ &snd_hwdep_f_ops, hwdep) < 0)
+ dev_warn(&hwdep->dev,
+ "unable to register OSS compatibility device\n");
+ else
+ hwdep->ossreg = 1;
}
#endif
mutex_unlock(&register_mutex);
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 014a7849e8fd..11b5a42b4ec8 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -109,7 +109,6 @@ int snd_hda_create_hwdep(struct hda_codec *codec)
hwdep->iface = SNDRV_HWDEP_IFACE_HDA;
hwdep->private_data = codec;
hwdep->exclusive = 1;
- hwdep->groups = snd_hda_dev_attr_groups;
hwdep->ops.open = hda_hwdep_open;
hwdep->ops.ioctl = hda_hwdep_ioctl;
@@ -118,7 +117,11 @@ int snd_hda_create_hwdep(struct hda_codec *codec)
#endif
/* link to codec */
- hwdep->dev = &codec->dev;
+ hwdep->dev.parent = &codec->dev;
+
+ /* for sysfs */
+ hwdep->dev.groups = snd_hda_dev_attr_groups;
+ dev_set_drvdata(&hwdep->dev, codec);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-25 00:40:32 +0300