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yaml
---
r: 15957
b: refs/heads/master
c: 82e9bae
h: refs/heads/master
i:
  15955: 1577589
v: v3
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Takashi Iwai authored and Jaroslav Kysela committed Jan 3, 2006
1 parent e2e2d4e commit e7b91db
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Showing 4 changed files with 229 additions and 214 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 512bbd6a85230f16389f0dd51925472e72fc8a91
refs/heads/master: 82e9bae6fd253af4aea9c690223c7800313632ad
94 changes: 42 additions & 52 deletions trunk/include/sound/control.h
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Expand Up @@ -24,24 +24,14 @@

#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 */
Expand All @@ -53,40 +43,40 @@ typedef struct _snd_kcontrol_new {
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;
Expand All @@ -97,25 +87,25 @@ struct _snd_ctl_file {
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);
Expand All @@ -127,20 +117,20 @@ int snd_ctl_unregister_ioctl_compat(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);
Expand All @@ -149,8 +139,8 @@ static inline unsigned int snd_ctl_get_ioff(snd_kcontrol_t *kctl, snd_ctl_elem_i
}
}

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;
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