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-rw-r--r--include/sound/core.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 1359c532b68..b056ea925ec 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -26,6 +26,7 @@
#include <linux/mutex.h> /* struct mutex */
#include <linux/rwsem.h> /* struct rw_semaphore */
#include <linux/pm.h> /* pm_message_t */
+#include <linux/device.h>
/* forward declarations */
#ifdef CONFIG_PCI
@@ -186,6 +187,7 @@ struct snd_minor {
int device; /* device number */
const struct file_operations *f_ops; /* file operations */
void *private_data; /* private data for f_ops->open */
+ struct class_device *class_dev; /* class device for sysfs */
};
/* sound.c */
@@ -200,6 +202,8 @@ int snd_register_device(int type, struct snd_card *card, int dev,
const char *name);
int snd_unregister_device(int type, struct snd_card *card, int dev);
void *snd_lookup_minor_data(unsigned int minor, int type);
+int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
+ const struct class_device_attribute *attr);
#ifdef CONFIG_SND_OSSEMUL
int snd_register_oss_device(int type, struct snd_card *card, int dev,