/** Mute state */
#define SND_CTL_TLV_DB_GAIN_MUTE -9999999
+/** TLV type - fixed channel map positions */
+#define SND_CTL_TLVT_CHMAP_FIXED 0x00101
+/** TLV type - freely swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_VAR 0x00102
+/** TLV type - pair-wise swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_PAIRED 0x00103
+
/** CTL type */
typedef enum _snd_ctl_type {
/** Kernel level CTL */
int snd_ctl_open(snd_ctl_t **ctl, const char *name, int mode);
int snd_ctl_open_lconf(snd_ctl_t **ctl, const char *name, int mode, snd_config_t *lconf);
+int snd_ctl_open_fallback(snd_ctl_t **ctl, snd_config_t *root, const char *name, const char *orig_name, int mode);
int snd_ctl_close(snd_ctl_t *ctl);
int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock);
+static __inline__ int snd_ctl_abort(snd_ctl_t *ctl) { return snd_ctl_nonblock(ctl, 2); }
int snd_async_add_ctl_handler(snd_async_handler_t **handler, snd_ctl_t *ctl,
snd_async_callback_t callback, void *private_data);
snd_ctl_t *snd_async_handler_get_ctl(snd_async_handler_t *handler);
int snd_ctl_elem_add_integer(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long imin, long imax, long istep);
int snd_ctl_elem_add_integer64(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long long imin, long long imax, long long istep);
int snd_ctl_elem_add_boolean(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count);
+int snd_ctl_elem_add_enumerated(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, unsigned int items, const char *const names[]);
int snd_ctl_elem_add_iec958(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id);
int snd_ctl_elem_remove(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
int snd_hctl_open_ctl(snd_hctl_t **hctlp, snd_ctl_t *ctl);
int snd_hctl_close(snd_hctl_t *hctl);
int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock);
+static __inline__ int snd_hctl_abort(snd_hctl_t *hctl) { return snd_hctl_nonblock(hctl, 2); }
int snd_hctl_poll_descriptors_count(snd_hctl_t *hctl);
int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space);
int snd_hctl_poll_descriptors_revents(snd_hctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);