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authorTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
committerTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
commita5d00dc3a4b65ed38249f3225e453944c633747b (patch)
tree6249ca5a5f13059f42890525a9ea7133778f3891 /include/sound
parentALSA: hda - Add tracepoints to HD-audio controller driver (diff)
parentALSA: Avoid endless sleep after disconnect (diff)
downloadlinux-a5d00dc3a4b65ed38249f3225e453944c633747b.tar.xz
linux-a5d00dc3a4b65ed38249f3225e453944c633747b.zip
Merge branch 'for-linus' into for-next
... for migrating the core changes for USB-audio disconnection fixes
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/core.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index bc056687f647..93896ad1fcdd 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -132,6 +132,7 @@ struct snd_card {
int shutdown; /* this card is going down */
int free_on_last_close; /* free in context of file_release */
wait_queue_head_t shutdown_sleep;
+ atomic_t refcount; /* refcount for disconnection */
struct device *dev; /* device assigned to this card */
struct device *card_dev; /* cardX object for sysfs */
@@ -189,6 +190,7 @@ struct snd_minor {
const struct file_operations *f_ops; /* file operations */
void *private_data; /* private data for f_ops->open */
struct device *dev; /* device for sysfs */
+ struct snd_card *card_ptr; /* assigned card instance */
};
/* return a device pointer linked to each sound device as a parent */
@@ -295,6 +297,7 @@ int snd_card_info_done(void);
int snd_component_add(struct snd_card *card, const char *component);
int snd_card_file_add(struct snd_card *card, struct file *file);
int snd_card_file_remove(struct snd_card *card, struct file *file);
+void snd_card_unref(struct snd_card *card);
#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))