#include <sound/asound.h>
 
-typedef struct sndrv_aes_iec958 snd_aes_iec958_t;
-typedef struct sndrv_ctl_card_info snd_ctl_card_info_t;
-typedef enum sndrv_ctl_elem_type snd_ctl_elem_type_t;
-typedef enum sndrv_ctl_elem_iface snd_ctl_elem_iface_t;
-typedef struct sndrv_ctl_elem_id snd_ctl_elem_id_t;
-typedef struct sndrv_ctl_elem_list snd_ctl_elem_list_t;
-typedef struct sndrv_ctl_elem_info snd_ctl_elem_info_t;
-typedef struct sndrv_ctl_elem_value snd_ctl_elem_value_t;
-typedef enum sndrv_ctl_event_type snd_ctl_event_type_t;
-typedef struct sndrv_ctl_event snd_ctl_event_t;
-
 #define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data)
 
-typedef int (snd_kcontrol_info_t) (snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo);
-typedef int (snd_kcontrol_get_t) (snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
-typedef int (snd_kcontrol_put_t) (snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol);
+struct snd_kcontrol;
+typedef int (snd_kcontrol_info_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_info * uinfo);
+typedef int (snd_kcontrol_get_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
+typedef int (snd_kcontrol_put_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
 
-typedef struct _snd_kcontrol_new {
+struct snd_kcontrol_new {
        snd_ctl_elem_iface_t iface;     /* interface identifier */
        unsigned int device;            /* device/client number */
        unsigned int subdevice;         /* subdevice (substream) number */
        snd_kcontrol_get_t *get;
        snd_kcontrol_put_t *put;
        unsigned long private_value;
-} snd_kcontrol_new_t;
+};
 
-typedef struct _snd_kcontrol_volatile {
-       snd_ctl_file_t *owner;  /* locked */
+struct snd_kcontrol_volatile {
+       struct snd_ctl_file *owner;     /* locked */
        pid_t owner_pid;
        unsigned int access;    /* access rights */
-} snd_kcontrol_volatile_t;
+};
 
-struct _snd_kcontrol {
+struct snd_kcontrol {
        struct list_head list;          /* list of controls */
-       snd_ctl_elem_id_t id;
+       struct snd_ctl_elem_id id;
        unsigned int count;             /* count of same elements */
        snd_kcontrol_info_t *info;
        snd_kcontrol_get_t *get;
        snd_kcontrol_put_t *put;
        unsigned long private_value;
        void *private_data;
-       void (*private_free)(snd_kcontrol_t *kcontrol);
-       snd_kcontrol_volatile_t vd[0];  /* volatile data */
+       void (*private_free)(struct snd_kcontrol *kcontrol);
+       struct snd_kcontrol_volatile vd[0];     /* volatile data */
 };
 
-#define snd_kcontrol(n) list_entry(n, snd_kcontrol_t, list)
+#define snd_kcontrol(n) list_entry(n, struct snd_kcontrol, list)
 
-typedef struct _snd_kctl_event {
+struct snd_kctl_event {
        struct list_head list;  /* list of events */
-       snd_ctl_elem_id_t id;
+       struct snd_ctl_elem_id id;
        unsigned int mask;
-} snd_kctl_event_t;
+};
 
-#define snd_kctl_event(n) list_entry(n, snd_kctl_event_t, list)
+#define snd_kctl_event(n) list_entry(n, struct snd_kctl_event, list)
 
-struct _snd_ctl_file {
+struct snd_ctl_file {
        struct list_head list;          /* list of all control files */
-       snd_card_t *card;
+       struct snd_card *card;
        pid_t pid;
        int prefer_pcm_subdevice;
        int prefer_rawmidi_subdevice;
        struct list_head events;        /* waiting events for read */
 };
 
-#define snd_ctl_file(n) list_entry(n, snd_ctl_file_t, list)
+#define snd_ctl_file(n) list_entry(n, struct snd_ctl_file, list)
 
-typedef int (*snd_kctl_ioctl_func_t) (snd_card_t * card,
-                                snd_ctl_file_t * control,
-                                unsigned int cmd, unsigned long arg);
+typedef int (*snd_kctl_ioctl_func_t) (struct snd_card * card,
+                                     struct snd_ctl_file * control,
+                                     unsigned int cmd, unsigned long arg);
 
-void snd_ctl_notify(snd_card_t * card, unsigned int mask, snd_ctl_elem_id_t * id);
+void snd_ctl_notify(struct snd_card * card, unsigned int mask, struct snd_ctl_elem_id * id);
 
-snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * kcontrol, unsigned int access);
-snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * kcontrolnew, void * private_data);
-void snd_ctl_free_one(snd_kcontrol_t * kcontrol);
-int snd_ctl_add(snd_card_t * card, snd_kcontrol_t * kcontrol);
-int snd_ctl_remove(snd_card_t * card, snd_kcontrol_t * kcontrol);
-int snd_ctl_remove_id(snd_card_t * card, snd_ctl_elem_id_t *id);
-int snd_ctl_rename_id(snd_card_t * card, snd_ctl_elem_id_t *src_id, snd_ctl_elem_id_t *dst_id);
-snd_kcontrol_t *snd_ctl_find_numid(snd_card_t * card, unsigned int numid);
-snd_kcontrol_t *snd_ctl_find_id(snd_card_t * card, snd_ctl_elem_id_t *id);
+struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol * kcontrol, unsigned int access);
+struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new * kcontrolnew, void * private_data);
+void snd_ctl_free_one(struct snd_kcontrol * kcontrol);
+int snd_ctl_add(struct snd_card * card, struct snd_kcontrol * kcontrol);
+int snd_ctl_remove(struct snd_card * card, struct snd_kcontrol * kcontrol);
+int snd_ctl_remove_id(struct snd_card * card, struct snd_ctl_elem_id *id);
+int snd_ctl_rename_id(struct snd_card * card, struct snd_ctl_elem_id *src_id, struct snd_ctl_elem_id *dst_id);
+struct snd_kcontrol *snd_ctl_find_numid(struct snd_card * card, unsigned int numid);
+struct snd_kcontrol *snd_ctl_find_id(struct snd_card * card, struct snd_ctl_elem_id *id);
 
-int snd_ctl_create(snd_card_t *card);
+int snd_ctl_create(struct snd_card *card);
 
 int snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn);
 int snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn);
 #define snd_ctl_unregister_ioctl_compat(fcn)
 #endif
 
-int snd_ctl_elem_read(snd_card_t *card, snd_ctl_elem_value_t *control);
-int snd_ctl_elem_write(snd_card_t *card, snd_ctl_file_t *file, snd_ctl_elem_value_t *control);
+int snd_ctl_elem_read(struct snd_card *card, struct snd_ctl_elem_value *control);
+int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file, struct snd_ctl_elem_value *control);
 
-static inline unsigned int snd_ctl_get_ioffnum(snd_kcontrol_t *kctl, snd_ctl_elem_id_t *id)
+static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)
 {
        return id->numid - kctl->id.numid;
 }
 
-static inline unsigned int snd_ctl_get_ioffidx(snd_kcontrol_t *kctl, snd_ctl_elem_id_t *id)
+static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)
 {
        return id->index - kctl->id.index;
 }
 
-static inline unsigned int snd_ctl_get_ioff(snd_kcontrol_t *kctl, snd_ctl_elem_id_t *id)
+static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)
 {
        if (id->numid) {
                return snd_ctl_get_ioffnum(kctl, id);
        }
 }
 
-static inline snd_ctl_elem_id_t *snd_ctl_build_ioff(snd_ctl_elem_id_t *dst_id,
-                                                   snd_kcontrol_t *src_kctl,
+static inline struct snd_ctl_elem_id *snd_ctl_build_ioff(struct snd_ctl_elem_id *dst_id,
+                                                   struct snd_kcontrol *src_kctl,
                                                    unsigned int offset)
 {
        *dst_id = src_kctl->id;
 
 /* max number of user-defined controls */
 #define MAX_USER_CONTROLS      32
 
-typedef struct _snd_kctl_ioctl {
+struct snd_kctl_ioctl {
        struct list_head list;          /* list of all ioctls */
        snd_kctl_ioctl_func_t fioctl;
-} snd_kctl_ioctl_t;
-
-#define snd_kctl_ioctl(n) list_entry(n, snd_kctl_ioctl_t, list)
+};
 
 static DECLARE_RWSEM(snd_ioctl_rwsem);
 static LIST_HEAD(snd_control_ioctls);
 {
        int cardnum = SNDRV_MINOR_CARD(iminor(inode));
        unsigned long flags;
-       snd_card_t *card;
-       snd_ctl_file_t *ctl;
+       struct snd_card *card;
+       struct snd_ctl_file *ctl;
        int err;
 
        card = snd_cards[cardnum];
        return err;
 }
 
-static void snd_ctl_empty_read_queue(snd_ctl_file_t * ctl)
+static void snd_ctl_empty_read_queue(struct snd_ctl_file * ctl)
 {
-       snd_kctl_event_t *cread;
+       struct snd_kctl_event *cread;
        
        spin_lock(&ctl->read_lock);
        while (!list_empty(&ctl->events)) {
 {
        unsigned long flags;
        struct list_head *list;
-       snd_card_t *card;
-       snd_ctl_file_t *ctl;
-       snd_kcontrol_t *control;
+       struct snd_card *card;
+       struct snd_ctl_file *ctl;
+       struct snd_kcontrol *control;
        unsigned int idx;
 
        ctl = file->private_data;
        return 0;
 }
 
-void snd_ctl_notify(snd_card_t *card, unsigned int mask, snd_ctl_elem_id_t *id)
+void snd_ctl_notify(struct snd_card *card, unsigned int mask,
+                   struct snd_ctl_elem_id *id)
 {
        unsigned long flags;
        struct list_head *flist;
-       snd_ctl_file_t *ctl;
-       snd_kctl_event_t *ev;
+       struct snd_ctl_file *ctl;
+       struct snd_kctl_event *ev;
        
        snd_assert(card != NULL && id != NULL, return);
        read_lock(&card->ctl_files_rwlock);
  * @control: the control template
  * @access: the default control access
  *
- * Allocates a new snd_kcontrol_t instance and copies the given template 
+ * Allocates a new struct snd_kcontrol instance and copies the given template 
  * to the new instance. It does not copy volatile data (access).
  *
  * Returns the pointer of the new instance, or NULL on failure.
  */
-snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access)
+struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control, unsigned int access)
 {
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
        unsigned int idx;
        
        snd_assert(control != NULL, return NULL);
        snd_assert(control->count > 0, return NULL);
-       kctl = kzalloc(sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL);
+       kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL);
        if (kctl == NULL)
                return NULL;
        *kctl = *control;
  * @ncontrol: the initialization record
  * @private_data: the private data to set
  *
- * Allocates a new snd_kcontrol_t instance and initialize from the given 
+ * Allocates a new struct snd_kcontrol instance and initialize from the given 
  * template.  When the access field of ncontrol is 0, it's assumed as
  * READWRITE access. When the count field is 0, it's assumes as one.
  *
  * Returns the pointer of the newly generated instance, or NULL on failure.
  */
-snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * ncontrol, void *private_data)
+struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
+                                 void *private_data)
 {
-       snd_kcontrol_t kctl;
+       struct snd_kcontrol kctl;
        unsigned int access;
        
        snd_assert(ncontrol != NULL, return NULL);
  * or snd_ctl_new1().
  * Don't call this after the control was added to the card.
  */
-void snd_ctl_free_one(snd_kcontrol_t * kcontrol)
+void snd_ctl_free_one(struct snd_kcontrol *kcontrol)
 {
        if (kcontrol) {
                if (kcontrol->private_free)
        }
 }
 
-static unsigned int snd_ctl_hole_check(snd_card_t * card,
+static unsigned int snd_ctl_hole_check(struct snd_card *card,
                                       unsigned int count)
 {
        struct list_head *list;
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
 
        list_for_each(list, &card->controls) {
                kctl = snd_kcontrol(list);
        return card->last_numid;
 }
 
-static int snd_ctl_find_hole(snd_card_t * card, unsigned int count)
+static int snd_ctl_find_hole(struct snd_card *card, unsigned int count)
 {
        unsigned int last_numid, iter = 100000;
 
  *
  * It frees automatically the control which cannot be added.
  */
-int snd_ctl_add(snd_card_t * card, snd_kcontrol_t * kcontrol)
+int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol)
 {
-       snd_ctl_elem_id_t id;
+       struct snd_ctl_elem_id id;
        unsigned int idx;
 
        snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
  * 
  * Returns 0 if successful, or a negative error code on failure.
  */
-int snd_ctl_remove(snd_card_t * card, snd_kcontrol_t * kcontrol)
+int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol)
 {
-       snd_ctl_elem_id_t id;
+       struct snd_ctl_elem_id id;
        unsigned int idx;
 
        snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
  * 
  * Returns 0 if successful, or a negative error code on failure.
  */
-int snd_ctl_remove_id(snd_card_t * card, snd_ctl_elem_id_t *id)
+int snd_ctl_remove_id(struct snd_card *card, struct snd_ctl_elem_id *id)
 {
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
        int ret;
 
        down_write(&card->controls_rwsem);
  * 
  * Returns 0 if successful, or a negative error code on failure.
  */
-static int snd_ctl_remove_unlocked_id(snd_ctl_file_t * file, snd_ctl_elem_id_t *id)
+static int snd_ctl_remove_unlocked_id(struct snd_ctl_file * file,
+                                     struct snd_ctl_elem_id *id)
 {
-       snd_card_t *card = file->card;
-       snd_kcontrol_t *kctl;
+       struct snd_card *card = file->card;
+       struct snd_kcontrol *kctl;
        int idx, ret;
 
        down_write(&card->controls_rwsem);
  *
  * Returns zero if successful, or a negative error code on failure.
  */
-int snd_ctl_rename_id(snd_card_t * card, snd_ctl_elem_id_t *src_id, snd_ctl_elem_id_t *dst_id)
+int snd_ctl_rename_id(struct snd_card *card, struct snd_ctl_elem_id *src_id,
+                     struct snd_ctl_elem_id *dst_id)
 {
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
 
        down_write(&card->controls_rwsem);
        kctl = snd_ctl_find_id(card, src_id);
  * The caller must down card->controls_rwsem before calling this function
  * (if the race condition can happen).
  */
-snd_kcontrol_t *snd_ctl_find_numid(snd_card_t * card, unsigned int numid)
+struct snd_kcontrol *snd_ctl_find_numid(struct snd_card *card, unsigned int numid)
 {
        struct list_head *list;
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
 
        snd_assert(card != NULL && numid != 0, return NULL);
        list_for_each(list, &card->controls) {
  * The caller must down card->controls_rwsem before calling this function
  * (if the race condition can happen).
  */
-snd_kcontrol_t *snd_ctl_find_id(snd_card_t * card, snd_ctl_elem_id_t *id)
+struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card,
+                                    struct snd_ctl_elem_id *id)
 {
        struct list_head *list;
-       snd_kcontrol_t *kctl;
+       struct snd_kcontrol *kctl;
 
        snd_assert(card != NULL && id != NULL, return NULL);
        if (id->numid != 0)
        return NULL;
 }
 
-static int snd_ctl_card_info(snd_card_t * card, snd_ctl_file_t * ctl,
+static int snd_ctl_card_info(struct snd_card *card, struct snd_ctl_file * ctl,
                             unsigned int cmd, void __user *arg)
 {
-       snd_ctl_card_info_t *info;
+       struct snd_ctl_card_info *info;
 
        info = kzalloc(sizeof(*info), GFP_KERNEL);
        if (! info)
        strlcpy(info->mixername, card->mixername, sizeof(info->mixername));
        strlcpy(info->components, card->components, sizeof(info->components));
        up_read(&snd_ioctl_rwsem);
-       if (copy_to_user(arg, info, sizeof(snd_ctl_card_info_t))) {
+       if (copy_to_user(arg, info, sizeof(struct snd_ctl_card_info))) {
                kfree(info);
                return -EFAULT;
        }
        return 0;
 }
 
-static int snd_ctl_elem_list(snd_card_t *card, snd_ctl_elem_list_t __user *_list)
+static int snd_ctl_elem_list(struct snd_card *card,
+                            struct snd_ctl_elem_list __user *_list)
 {
        struct list_head *plist;
-       snd_ctl_elem_list_t list;
-       snd_kcontrol_t *kctl;
-       snd_ctl_elem_id_t *dst, *id;
+       struct snd_ctl_elem_list list;
+       struct snd_kcontrol *kctl;
+       struct snd_ctl_elem_id *dst, *id;
        unsigned int offset, space, first, jidx;
        
        if (copy_from_user(&list, _list, sizeof(list)))
                return -ENOMEM;
        if (space > 0) {
                /* allocate temporary buffer for atomic operation */
-               dst = vmalloc(space * sizeof(snd_ctl_elem_id_t));
+               dst = vmalloc(space * sizeof(struct snd_ctl_elem_id));
                if (dst == NULL)
                        return -ENOMEM;
                down_read(&card->controls_rwsem);
                        offset = 0;
                }
                up_read(&card->controls_rwsem);
-               if (list.used > 0 && copy_to_user(list.pids, dst, list.used * sizeof(snd_ctl_elem_id_t))) {
+               if (list.used > 0 &&
+                   copy_to_user(list.pids, dst,
+                                list.used * sizeof(struct snd_ctl_elem_id))) {
                        vfree(dst);
                        return -EFAULT;
                }
        return 0;
 }
 
-static int snd_ctl_elem_info(snd_ctl_file_t *ctl, snd_ctl_elem_info_t *info)
+static int snd_ctl_elem_info(struct snd_ctl_file *ctl,
+                            struct snd_ctl_elem_info *info)
 {
-       snd_card_t *card = ctl->card;
-       snd_kcontrol_t *kctl;
-       snd_kcontrol_volatile_t *vd;
+       struct snd_card *card = ctl->card;
+       struct snd_kcontrol *kctl;
+       struct snd_kcontrol_volatile *vd;
        unsigned int index_offset;
        int result;
        
        return result;
 }
 
-static int snd_ctl_elem_info_user(snd_ctl_file_t *ctl, snd_ctl_elem_info_t __user *_info)
+static int snd_ctl_elem_info_user(struct snd_ctl_file *ctl,
+                                 struct snd_ctl_elem_info __user *_info)
 {
-       snd_ctl_elem_info_t info;
+       struct snd_ctl_elem_info info;
        int result;
 
        if (copy_from_user(&info, _info, sizeof(info)))
        return result;
 }
 
-int snd_ctl_elem_read(snd_card_t *card, snd_ctl_elem_value_t *control)
+int snd_ctl_elem_read(struct snd_card *card, struct snd_ctl_elem_value *control)
 {
-       snd_kcontrol_t *kctl;
-       snd_kcontrol_volatile_t *vd;
+       struct snd_kcontrol *kctl;
+       struct snd_kcontrol_volatile *vd;
        unsigned int index_offset;
        int result, indirect;
 
        return result;
 }
 
-static int snd_ctl_elem_read_user(snd_card_t *card, snd_ctl_elem_value_t __user *_control)
+static int snd_ctl_elem_read_user(struct snd_card *card,
+                                 struct snd_ctl_elem_value __user *_control)
 {
-       snd_ctl_elem_value_t *control;
+       struct snd_ctl_elem_value *control;
        int result;
        
        control = kmalloc(sizeof(*control), GFP_KERNEL);
        return result;
 }
 
-int snd_ctl_elem_write(snd_card_t *card, snd_ctl_file_t *file, snd_ctl_elem_value_t *control)
+int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,
+                      struct snd_ctl_elem_value *control)
 {
-       snd_kcontrol_t *kctl;
-       snd_kcontrol_volatile_t *vd;
+       struct snd_kcontrol *kctl;
+       struct snd_kcontrol_volatile *vd;
        unsigned int index_offset;
        int result, indirect;
 
        return result;
 }
 
-static int snd_ctl_elem_write_user(snd_ctl_file_t *file, snd_ctl_elem_value_t __user *_control)
+static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
+                                  struct snd_ctl_elem_value __user *_control)
 {
-       snd_ctl_elem_value_t *control;
+       struct snd_ctl_elem_value *control;
        int result;
 
        control = kmalloc(sizeof(*control), GFP_KERNEL);
        return result;
 }
 
-static int snd_ctl_elem_lock(snd_ctl_file_t *file, snd_ctl_elem_id_t __user *_id)
+static int snd_ctl_elem_lock(struct snd_ctl_file *file,
+                            struct snd_ctl_elem_id __user *_id)
 {
-       snd_card_t *card = file->card;
-       snd_ctl_elem_id_t id;
-       snd_kcontrol_t *kctl;
-       snd_kcontrol_volatile_t *vd;
+       struct snd_card *card = file->card;
+       struct snd_ctl_elem_id id;
+       struct snd_kcontrol *kctl;
+       struct snd_kcontrol_volatile *vd;
        int result;
        
        if (copy_from_user(&id, _id, sizeof(id)))
        return result;
 }
 
-static int snd_ctl_elem_unlock(snd_ctl_file_t *file, snd_ctl_elem_id_t __user *_id)
+static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
+                              struct snd_ctl_elem_id __user *_id)
 {
-       snd_card_t *card = file->card;
-       snd_ctl_elem_id_t id;
-       snd_kcontrol_t *kctl;
-       snd_kcontrol_volatile_t *vd;
+       struct snd_card *card = file->card;
+       struct snd_ctl_elem_id id;
+       struct snd_kcontrol *kctl;
+       struct snd_kcontrol_volatile *vd;
        int result;
        
        if (copy_from_user(&id, _id, sizeof(id)))
 }
 
 struct user_element {
-       snd_ctl_elem_info_t info;
+       struct snd_ctl_elem_info info;
        void *elem_data;                /* element data */
        unsigned long elem_data_size;   /* size of element data in bytes */
        void *priv_data;                /* private data (like strings for enumerated type) */
        unsigned long priv_data_size;   /* size of private data in bytes */
 };
 
-static int snd_ctl_elem_user_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+static int snd_ctl_elem_user_info(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_info *uinfo)
 {
        struct user_element *ue = kcontrol->private_data;
 
        return 0;
 }
 
-static int snd_ctl_elem_user_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ctl_elem_user_get(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
 {
        struct user_element *ue = kcontrol->private_data;
 
        return 0;
 }
 
-static int snd_ctl_elem_user_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+static int snd_ctl_elem_user_put(struct snd_kcontrol *kcontrol,
+                                struct snd_ctl_elem_value *ucontrol)
 {
        int change;
        struct user_element *ue = kcontrol->private_data;
        return change;
 }
 
-static void snd_ctl_elem_user_free(snd_kcontrol_t * kcontrol)
+static void snd_ctl_elem_user_free(struct snd_kcontrol *kcontrol)
 {
        kfree(kcontrol->private_data);
 }
 
-static int snd_ctl_elem_add(snd_ctl_file_t *file, snd_ctl_elem_info_t *info, int replace)
+static int snd_ctl_elem_add(struct snd_ctl_file *file,
+                           struct snd_ctl_elem_info *info, int replace)
 {
-       snd_card_t *card = file->card;
-       snd_kcontrol_t kctl, *_kctl;
+       struct snd_card *card = file->card;
+       struct snd_kcontrol kctl, *_kctl;
        unsigned int access;
        long private_size;
        struct user_element *ue;
        if (info->count > 1024)
                return -EINVAL;
        access = info->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
-               (info->access & (SNDRV_CTL_ELEM_ACCESS_READWRITE|SNDRV_CTL_ELEM_ACCESS_INACTIVE));
+               (info->access & (SNDRV_CTL_ELEM_ACCESS_READWRITE|
+                                SNDRV_CTL_ELEM_ACCESS_INACTIVE));
        info->id.numid = 0;
        memset(&kctl, 0, sizeof(kctl));
        down_write(&card->controls_rwsem);
                        return -EINVAL;
                break;
        case SNDRV_CTL_ELEM_TYPE_IEC958:
-               private_size = sizeof(struct sndrv_aes_iec958);
+               private_size = sizeof(struct snd_aes_iec958);
                if (info->count != 1)
                        return -EINVAL;
                break;
        return 0;
 }
 
-static int snd_ctl_elem_add_user(snd_ctl_file_t *file, snd_ctl_elem_info_t __user *_info, int replace)
+static int snd_ctl_elem_add_user(struct snd_ctl_file *file,
+                                struct snd_ctl_elem_info __user *_info, int replace)
 {
-       snd_ctl_elem_info_t info;
+       struct snd_ctl_elem_info info;
        if (copy_from_user(&info, _info, sizeof(info)))
                return -EFAULT;
        return snd_ctl_elem_add(file, &info, replace);
 }
 
-static int snd_ctl_elem_remove(snd_ctl_file_t *file, snd_ctl_elem_id_t __user *_id)
+static int snd_ctl_elem_remove(struct snd_ctl_file *file,
+                              struct snd_ctl_elem_id __user *_id)
 {
-       snd_ctl_elem_id_t id;
+       struct snd_ctl_elem_id id;
        int err;
 
        if (copy_from_user(&id, _id, sizeof(id)))
                return -EFAULT;
        err = snd_ctl_remove_unlocked_id(file, &id);
        if (! err) {
-               snd_card_t *card = file->card;
+               struct snd_card *card = file->card;
                down_write(&card->controls_rwsem);
                card->user_ctl_count--;
                up_write(&card->controls_rwsem);
        return err;
 }
 
-static int snd_ctl_subscribe_events(snd_ctl_file_t *file, int __user *ptr)
+static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr)
 {
        int subscribe;
        if (get_user(subscribe, ptr))
 /*
  * change the power state
  */
-static int snd_ctl_set_power_state(snd_card_t *card, unsigned int power_state)
+static int snd_ctl_set_power_state(struct snd_card *card, unsigned int power_state)
 {
        switch (power_state) {
        case SNDRV_CTL_POWER_D0:
 
 static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       snd_ctl_file_t *ctl;
-       snd_card_t *card;
+       struct snd_ctl_file *ctl;
+       struct snd_card *card;
        struct list_head *list;
-       snd_kctl_ioctl_t *p;
+       struct snd_kctl_ioctl *p;
        void __user *argp = (void __user *)arg;
        int __user *ip = argp;
        int err;
        }
        down_read(&snd_ioctl_rwsem);
        list_for_each(list, &snd_control_ioctls) {
-               p = list_entry(list, snd_kctl_ioctl_t, list);
+               p = list_entry(list, struct snd_kctl_ioctl, list);
                err = p->fioctl(card, ctl, cmd, arg);
                if (err != -ENOIOCTLCMD) {
                        up_read(&snd_ioctl_rwsem);
        return -ENOTTY;
 }
 
-static ssize_t snd_ctl_read(struct file *file, char __user *buffer, size_t count, loff_t * offset)
+static ssize_t snd_ctl_read(struct file *file, char __user *buffer,
+                           size_t count, loff_t * offset)
 {
-       snd_ctl_file_t *ctl;
+       struct snd_ctl_file *ctl;
        int err = 0;
        ssize_t result = 0;
 
        snd_assert(ctl != NULL && ctl->card != NULL, return -ENXIO);
        if (!ctl->subscribed)
                return -EBADFD;
-       if (count < sizeof(snd_ctl_event_t))
+       if (count < sizeof(struct snd_ctl_event))
                return -EINVAL;
        spin_lock_irq(&ctl->read_lock);
-       while (count >= sizeof(snd_ctl_event_t)) {
-               snd_ctl_event_t ev;
-               snd_kctl_event_t *kev;
+       while (count >= sizeof(struct snd_ctl_event)) {
+               struct snd_ctl_event ev;
+               struct snd_kctl_event *kev;
                while (list_empty(&ctl->events)) {
                        wait_queue_t wait;
                        if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {
                list_del(&kev->list);
                spin_unlock_irq(&ctl->read_lock);
                kfree(kev);
-               if (copy_to_user(buffer, &ev, sizeof(snd_ctl_event_t))) {
+               if (copy_to_user(buffer, &ev, sizeof(struct snd_ctl_event))) {
                        err = -EFAULT;
                        goto __end;
                }
                spin_lock_irq(&ctl->read_lock);
-               buffer += sizeof(snd_ctl_event_t);
-               count -= sizeof(snd_ctl_event_t);
-               result += sizeof(snd_ctl_event_t);
+               buffer += sizeof(struct snd_ctl_event);
+               count -= sizeof(struct snd_ctl_event);
+               result += sizeof(struct snd_ctl_event);
        }
       __end_lock:
        spin_unlock_irq(&ctl->read_lock);
 static unsigned int snd_ctl_poll(struct file *file, poll_table * wait)
 {
        unsigned int mask;
-       snd_ctl_file_t *ctl;
+       struct snd_ctl_file *ctl;
 
        ctl = file->private_data;
        if (!ctl->subscribed)
  */
 static int _snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head *lists)
 {
-       snd_kctl_ioctl_t *pn;
+       struct snd_kctl_ioctl *pn;
 
-       pn = kzalloc(sizeof(snd_kctl_ioctl_t), GFP_KERNEL);
+       pn = kzalloc(sizeof(struct snd_kctl_ioctl), GFP_KERNEL);
        if (pn == NULL)
                return -ENOMEM;
        pn->fioctl = fcn;
 /*
  * de-register the device-specific control-ioctls.
  */
-static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head *lists)
+static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn,
+                                    struct list_head *lists)
 {
        struct list_head *list;
-       snd_kctl_ioctl_t *p;
+       struct snd_kctl_ioctl *p;
 
        snd_assert(fcn != NULL, return -EINVAL);
        down_write(&snd_ioctl_rwsem);
        list_for_each(list, lists) {
-               p = list_entry(list, snd_kctl_ioctl_t, list);
+               p = list_entry(list, struct snd_kctl_ioctl, list);
                if (p->fioctl == fcn) {
                        list_del(&p->list);
                        up_write(&snd_ioctl_rwsem);
 
 static int snd_ctl_fasync(int fd, struct file * file, int on)
 {
-       snd_ctl_file_t *ctl;
+       struct snd_ctl_file *ctl;
        int err;
        ctl = file->private_data;
        err = fasync_helper(fd, file, on, &ctl->fasync);
        .fasync =       snd_ctl_fasync,
 };
 
-static snd_minor_t snd_ctl_reg =
+static struct snd_minor snd_ctl_reg =
 {
        .comment =      "ctl",
        .f_ops =        &snd_ctl_f_ops,
 /*
  * registration of the control device
  */
-static int snd_ctl_dev_register(snd_device_t *device)
+static int snd_ctl_dev_register(struct snd_device *device)
 {
-       snd_card_t *card = device->device_data;
+       struct snd_card *card = device->device_data;
        int err, cardnum;
        char name[16];
 
 /*
  * disconnection of the control device
  */
-static int snd_ctl_dev_disconnect(snd_device_t *device)
+static int snd_ctl_dev_disconnect(struct snd_device *device)
 {
-       snd_card_t *card = device->device_data;
+       struct snd_card *card = device->device_data;
        struct list_head *flist;
-       snd_ctl_file_t *ctl;
+       struct snd_ctl_file *ctl;
 
        down_read(&card->controls_rwsem);
        list_for_each(flist, &card->ctl_files) {
 /*
  * free all controls
  */
-static int snd_ctl_dev_free(snd_device_t *device)
+static int snd_ctl_dev_free(struct snd_device *device)
 {
-       snd_card_t *card = device->device_data;
-       snd_kcontrol_t *control;
+       struct snd_card *card = device->device_data;
+       struct snd_kcontrol *control;
 
        down_write(&card->controls_rwsem);
        while (!list_empty(&card->controls)) {
 /*
  * de-registration of the control device
  */
-static int snd_ctl_dev_unregister(snd_device_t *device)
+static int snd_ctl_dev_unregister(struct snd_device *device)
 {
-       snd_card_t *card = device->device_data;
+       struct snd_card *card = device->device_data;
        int err, cardnum;
 
        snd_assert(card != NULL, return -ENXIO);
  * create control core:
  * called from init.c
  */
-int snd_ctl_create(snd_card_t *card)
+int snd_ctl_create(struct snd_card *card)
 {
-       static snd_device_ops_t ops = {
+       static struct snd_device_ops ops = {
                .dev_free = snd_ctl_dev_free,
                .dev_register = snd_ctl_dev_register,
                .dev_disconnect = snd_ctl_dev_disconnect,
 
 
 #include <linux/compat.h>
 
-struct sndrv_ctl_elem_list32 {
+struct snd_ctl_elem_list32 {
        u32 offset;
        u32 space;
        u32 used;
        unsigned char reserved[50];
 } /* don't set packed attribute here */;
 
-static int snd_ctl_elem_list_compat(snd_card_t *card, struct sndrv_ctl_elem_list32 __user *data32)
+static int snd_ctl_elem_list_compat(struct snd_card *card,
+                                   struct snd_ctl_elem_list32 __user *data32)
 {
-       struct sndrv_ctl_elem_list __user *data;
+       struct snd_ctl_elem_list __user *data;
        compat_caddr_t ptr;
        int err;
 
  * it uses union, so the things are not easy..
  */
 
-struct sndrv_ctl_elem_info32 {
-       struct sndrv_ctl_elem_id id; // the size of struct is same
+struct snd_ctl_elem_info32 {
+       struct snd_ctl_elem_id id; // the size of struct is same
        s32 type;
        u32 access;
        u32 count;
        unsigned char reserved[64];
 } __attribute__((packed));
 
-static int snd_ctl_elem_info_compat(snd_ctl_file_t *ctl, struct sndrv_ctl_elem_info32 __user *data32)
+static int snd_ctl_elem_info_compat(struct snd_ctl_file *ctl,
+                                   struct snd_ctl_elem_info32 __user *data32)
 {
-       struct sndrv_ctl_elem_info *data;
+       struct snd_ctl_elem_info *data;
        int err;
 
        data = kzalloc(sizeof(*data), GFP_KERNEL);
 }
 
 /* read / write */
-struct sndrv_ctl_elem_value32 {
-       struct sndrv_ctl_elem_id id;
+struct snd_ctl_elem_value32 {
+       struct snd_ctl_elem_id id;
        unsigned int indirect;  /* bit-field causes misalignment */
         union {
                s32 integer[128];
 
 
 /* get the value type and count of the control */
-static int get_ctl_type(snd_card_t *card, snd_ctl_elem_id_t *id, int *countp)
+static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id,
+                       int *countp)
 {
-       snd_kcontrol_t *kctl;
-       snd_ctl_elem_info_t info;
+       struct snd_kcontrol *kctl;
+       struct snd_ctl_elem_info info;
        int err;
 
        down_read(&card->controls_rwsem);
        case SNDRV_CTL_ELEM_TYPE_BYTES:
                return 512;
        case SNDRV_CTL_ELEM_TYPE_IEC958:
-               return sizeof(struct sndrv_aes_iec958);
+               return sizeof(struct snd_aes_iec958);
        default:
                return -1;
        }
 }
 
-static int copy_ctl_value_from_user(snd_card_t *card,
-                                   struct sndrv_ctl_elem_value *data,
-                                   struct sndrv_ctl_elem_value32 __user *data32,
+static int copy_ctl_value_from_user(struct snd_card *card,
+                                   struct snd_ctl_elem_value *data,
+                                   struct snd_ctl_elem_value32 __user *data32,
                                    int *typep, int *countp)
 {
        int i, type, count, size;
 }
 
 /* restore the value to 32bit */
-static int copy_ctl_value_to_user(struct sndrv_ctl_elem_value32 __user *data32,
-                                 struct sndrv_ctl_elem_value *data,
+static int copy_ctl_value_to_user(struct snd_ctl_elem_value32 __user *data32,
+                                 struct snd_ctl_elem_value *data,
                                  int type, int count)
 {
        int i, size;
        return 0;
 }
 
-static int snd_ctl_elem_read_user_compat(snd_card_t *card, 
-                                        struct sndrv_ctl_elem_value32 __user *data32)
+static int snd_ctl_elem_read_user_compat(struct snd_card *card, 
+                                        struct snd_ctl_elem_value32 __user *data32)
 {
-       struct sndrv_ctl_elem_value *data;
+       struct snd_ctl_elem_value *data;
        int err, type, count;
 
        data = kzalloc(sizeof(*data), GFP_KERNEL);
        return err;
 }
 
-static int snd_ctl_elem_write_user_compat(snd_ctl_file_t *file,
-                                         struct sndrv_ctl_elem_value32 __user *data32)
+static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file,
+                                         struct snd_ctl_elem_value32 __user *data32)
 {
-       struct sndrv_ctl_elem_value *data;
+       struct snd_ctl_elem_value *data;
        int err, type, count;
 
        data = kzalloc(sizeof(*data), GFP_KERNEL);
 }
 
 /* add or replace a user control */
-static int snd_ctl_elem_add_compat(snd_ctl_file_t *file,
-                                  struct sndrv_ctl_elem_info32 __user *data32,
+static int snd_ctl_elem_add_compat(struct snd_ctl_file *file,
+                                  struct snd_ctl_elem_info32 __user *data32,
                                   int replace)
 {
-       struct sndrv_ctl_elem_info *data;
+       struct snd_ctl_elem_info *data;
        int err;
 
        data = kzalloc(sizeof(*data), GFP_KERNEL);
 }  
 
 enum {
-       SNDRV_CTL_IOCTL_ELEM_LIST32 = _IOWR('U', 0x10, struct sndrv_ctl_elem_list32),
-       SNDRV_CTL_IOCTL_ELEM_INFO32 = _IOWR('U', 0x11, struct sndrv_ctl_elem_info32),
-       SNDRV_CTL_IOCTL_ELEM_READ32 = _IOWR('U', 0x12, struct sndrv_ctl_elem_value32),
-       SNDRV_CTL_IOCTL_ELEM_WRITE32 = _IOWR('U', 0x13, struct sndrv_ctl_elem_value32),
-       SNDRV_CTL_IOCTL_ELEM_ADD32 = _IOWR('U', 0x17, struct sndrv_ctl_elem_info32),
-       SNDRV_CTL_IOCTL_ELEM_REPLACE32 = _IOWR('U', 0x18, struct sndrv_ctl_elem_info32),
+       SNDRV_CTL_IOCTL_ELEM_LIST32 = _IOWR('U', 0x10, struct snd_ctl_elem_list32),
+       SNDRV_CTL_IOCTL_ELEM_INFO32 = _IOWR('U', 0x11, struct snd_ctl_elem_info32),
+       SNDRV_CTL_IOCTL_ELEM_READ32 = _IOWR('U', 0x12, struct snd_ctl_elem_value32),
+       SNDRV_CTL_IOCTL_ELEM_WRITE32 = _IOWR('U', 0x13, struct snd_ctl_elem_value32),
+       SNDRV_CTL_IOCTL_ELEM_ADD32 = _IOWR('U', 0x17, struct snd_ctl_elem_info32),
+       SNDRV_CTL_IOCTL_ELEM_REPLACE32 = _IOWR('U', 0x18, struct snd_ctl_elem_info32),
 };
 
 static inline long snd_ctl_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       snd_ctl_file_t *ctl;
+       struct snd_ctl_file *ctl;
        struct list_head *list;
        void __user *argp = compat_ptr(arg);
        int err;
 
        down_read(&snd_ioctl_rwsem);
        list_for_each(list, &snd_control_compat_ioctls) {
-               snd_kctl_ioctl_t *p = list_entry(list, snd_kctl_ioctl_t, list);
+               struct snd_kctl_ioctl *p = list_entry(list, struct snd_kctl_ioctl, list);
                if (p->fioctl) {
                        err = p->fioctl(ctl->card, ctl, cmd, arg);
                        if (err != -ENOIOCTLCMD) {