Driver core: convert sound core to use struct device

[net-next-2.6.git] / include / sound / core.h

diff --git a/include/sound/core.h b/include/sound/core.h
index 5d184be0ff728d5a0ce7b47d525d9594179d23f5..a994bea09cd6debedcf08bd740ca8a0cde227ec4 100644 (file)
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -25,8 +25,8 @@
 #include <linux/sched.h>               /* wake_up() */
 #include <linux/mutex.h>               /* struct mutex */
 #include <linux/rwsem.h>               /* struct rw_semaphore */
-#include <linux/workqueue.h>           /* struct workqueue_struct */
 #include <linux/pm.h>                  /* pm_message_t */
+#include <linux/device.h>
 
 /* forward declarations */
 #ifdef CONFIG_PCI
@@ -71,7 +71,6 @@ struct snd_device_ops {
        int (*dev_free)(struct snd_device *dev);
        int (*dev_register)(struct snd_device *dev);
        int (*dev_disconnect)(struct snd_device *dev);
-       int (*dev_unregister)(struct snd_device *dev);
 };
 
 struct snd_device {
@@ -90,10 +89,10 @@ struct snd_device {
 struct snd_monitor_file {
        struct file *file;
        struct snd_monitor_file *next;
+       const struct file_operations *disconnected_f_op;
+       struct list_head shutdown_list;
 };
 
-struct snd_shutdown_f_ops;     /* define it later in init.c */
-
 /* main structure for soundcard */
 
 struct snd_card {
@@ -131,8 +130,9 @@ struct snd_card {
                                                                state */
        spinlock_t files_lock;          /* lock the files for this 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;
-       struct work_struct free_workq;  /* for free in workqueue */
+       struct device *parent;
        struct device *dev;
 
 #ifdef CONFIG_PM
@@ -188,14 +188,14 @@ struct snd_minor {
        int device;                     /* device number */
        const struct file_operations *f_ops;    /* file operations */
        void *private_data;             /* private data for f_ops->open */
-       char name[0];                   /* device name (keep at the end of
-                                                               structure) */
+       struct device *dev;             /* device for sysfs */
 };
 
 /* sound.c */
 
 extern int snd_major;
 extern int snd_ecards_limit;
+extern struct class *sound_class;
 
 void snd_request_card(int card);
 
@@ -204,6 +204,8 @@ 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,
+                             struct device_attribute *attr);
 
 #ifdef CONFIG_SND_OSSEMUL
 int snd_register_oss_device(int type, struct snd_card *card, int dev,
@@ -246,7 +248,7 @@ struct snd_card *snd_card_new(int idx, const char *id,
                         struct module *module, int extra_size);
 int snd_card_disconnect(struct snd_card *card);
 int snd_card_free(struct snd_card *card);
-int snd_card_free_in_thread(struct snd_card *card);
+int snd_card_free_when_closed(struct snd_card *card);
 int snd_card_register(struct snd_card *card);
 int snd_card_info_init(void);
 int snd_card_info_done(void);
@@ -255,7 +257,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file);
 int snd_card_file_remove(struct snd_card *card, struct file *file);
 
 #ifndef snd_card_set_dev
-#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
+#define snd_card_set_dev(card,devptr) ((card)->parent = (devptr))
 #endif
 
 /* device.c */