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Control API - add TLV support

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snd_ctl_elem_tlv_read
snd_ctl_elem_tlv_write
snd_ctl_elem_tlv_command
snd_ctl_elem_info_is_tlv_readable
snd_ctl_elem_info_is_tlv_writable
snd_ctl_elem_info_is_tlv_commandable
snd_hctl_elem_tlv_read
snd_hctl_elem_tlv_write
snd_hctl_elem_tlv_command
This commit is contained in:
Jaroslav Kysela 2006-07-05 17:42:16 +02:00
parent 408697bfe2
commit c7a0708a23
7 changed files with 248 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

21
include/control.h
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@ -122,6 +122,8 @@ typedef enum _snd_ctl_event_type {
#define SND_CTL_EVENT_MASK_INFO (1<<1)
/** Element has been added \hideinitializer */
#define SND_CTL_EVENT_MASK_ADD (1<<2)
/** Element's TLV value has been changed \hideinitializer */
#define SND_CTL_EVENT_MASK_TLV (1<<3)
/** CTL name helper */
#define SND_CTL_NAME_NONE ""
@ -164,6 +166,11 @@ typedef enum _snd_ctl_event_type {
/** ACPI/PCI Power State D3cold */
#define SND_CTL_POWER_D3cold (SND_CTL_POWER_D3|0x0001)
/** TLV type - Container */
#define SND_CTL_TLVT_CONTAINER 0x0000
/** TLV type - basic dB scale */
#define SND_CTL_TLVT_DB_SCALE 0x0001
/** CTL type */
typedef enum _snd_ctl_type {
/** Kernel level CTL */
@ -212,12 +219,18 @@ int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int s
int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe);
int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t * list);
int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list);
int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info);
int snd_ctl_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
int snd_ctl_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
int snd_ctl_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
int snd_ctl_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
int snd_ctl_elem_tlv_read(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
unsigned int *tlv, unsigned int tlv_size);
int snd_ctl_elem_tlv_write(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
const unsigned int *tlv);
int snd_ctl_elem_tlv_command(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
const unsigned int *tlv);
int snd_ctl_hwdep_next_device(snd_ctl_t *ctl, int * device);
int snd_ctl_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info);
int snd_ctl_pcm_next_device(snd_ctl_t *ctl, int *device);
@ -340,6 +353,9 @@ int snd_ctl_elem_info_is_writable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_volatile(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_inactive(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_locked(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_tlv_readable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_tlv_writable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_tlv_commandable(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_owner(const snd_ctl_elem_info_t *obj);
int snd_ctl_elem_info_is_user(const snd_ctl_elem_info_t *obj);
pid_t snd_ctl_elem_info_get_owner(const snd_ctl_elem_info_t *obj);
@ -485,6 +501,9 @@ snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem);
int snd_hctl_elem_info(snd_hctl_elem_t *elem, snd_ctl_elem_info_t * info);
int snd_hctl_elem_read(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
int snd_hctl_elem_write(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
int snd_hctl_elem_tlv_read(snd_hctl_elem_t *elem, unsigned int *tlv, unsigned int tlv_size);
int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv);
int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv);
snd_hctl_t *snd_hctl_elem_get_hctl(snd_hctl_elem_t *elem);