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-rw-r--r--sound/core/sound.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 437c25ea6403..38ad1a0dd3f7 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -118,7 +118,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
if (mreg && mreg->type == type) {
private_data = mreg->private_data;
if (private_data && mreg->card_ptr)
- atomic_inc(&mreg->card_ptr->refcount);
+ get_device(&mreg->card_ptr->card_dev);
} else
private_data = NULL;
mutex_unlock(&sound_mutex);
@@ -355,22 +355,25 @@ int snd_unregister_device(int type, struct snd_card *card, int dev)
EXPORT_SYMBOL(snd_unregister_device);
-int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
- struct device_attribute *attr)
+/* get the assigned device to the given type and device number;
+ * the caller needs to release it via put_device() after using it
+ */
+struct device *snd_get_device(int type, struct snd_card *card, int dev)
{
- int minor, ret = -EINVAL;
- struct device *d;
+ int minor;
+ struct device *d = NULL;
mutex_lock(&sound_mutex);
minor = find_snd_minor(type, card, dev);
- if (minor >= 0 && (d = snd_minors[minor]->dev) != NULL)
- ret = device_create_file(d, attr);
+ if (minor >= 0) {
+ d = snd_minors[minor]->dev;
+ if (d)
+ get_device(d);
+ }
mutex_unlock(&sound_mutex);
- return ret;
-
+ return d;
}
-
-EXPORT_SYMBOL(snd_add_device_sysfs_file);
+EXPORT_SYMBOL(snd_get_device);
#ifdef CONFIG_PROC_FS
/*
@@ -458,7 +461,7 @@ static int __init alsa_sound_init(void)
snd_major = major;
snd_ecards_limit = cards_limit;
if (register_chrdev(major, "alsa", &snd_fops)) {
- snd_printk(KERN_ERR "unable to register native major device number %d\n", major);
+ pr_err("ALSA core: unable to register native major device number %d\n", major);
return -EIO;
}
if (snd_info_init() < 0) {
@@ -467,7 +470,7 @@ static int __init alsa_sound_init(void)
}
snd_info_minor_register();
#ifndef MODULE
- printk(KERN_INFO "Advanced Linux Sound Architecture Driver Initialized.\n");
+ pr_info("Advanced Linux Sound Architecture Driver Initialized.\n");
#endif
return 0;
}
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