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control: add snd_ctl_elem_add_enumerated()

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Handling of user control elements was implemented for all types except
BYTES and ENUMERATED.  Enumerated user controls will be needed for the
device-specific mixers of upcoming FireWire drivers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2011-10-07 22:46:51 +02:00
parent 567cc19a88
commit 15c6f83296
4 changed files with 84 additions and 2 deletions
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include/control.h
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@ -418,6 +418,7 @@ void snd_ctl_elem_info_set_index(snd_ctl_elem_info_t *obj, unsigned int val);
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);