mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

ucm: add snd_use_case_parse_ctl_elem_id()

Browse source 
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-11-05 20:04:54 +01:00
parent 680501c6b4
commit 997c53de09
2 changed files with 34 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/use-case.h
View file

@ -439,6 +439,17 @@ static __inline__ int snd_use_case_verb_list(snd_use_case_mgr_t *uc_mgr,
return snd_use_case_get_list(uc_mgr, "_verbs", list);
}
/**
* \brief Parse control element identifier
* \param elem_id Element identifier
* \param ucm_id Use case identifier
* \param value String value to be parsed
* \return Zero if success, otherwise a negative error code
*/
int snd_use_case_parse_ctl_elem_id(snd_ctl_elem_id_t *dst,
const char *ucm_id, char *value);
/**
* \}
*/

23
src/ucm/main.c
View file

@ -1920,3 +1920,26 @@ int snd_use_case_set(snd_use_case_mgr_t *uc_mgr,
pthread_mutex_unlock(&uc_mgr->mutex);
return err;
}
/**
* \brief Parse control element identifier
* \param elem_id Element identifier
* \param ucm_id Use case identifier
* \param value String value to be parsed
* \return Zero if success, otherwise a negative error code
*/
int snd_use_case_parse_ctl_elem_id(snd_ctl_elem_id_t *dst,
const char *ucm_id, char *value)
{
snd_ctl_elem_iface_t iface;
snd_ctl_elem_id_clear(dst);
if (strcasestr(ucm_id, "name="))
return __snd_ctl_ascii_elem_id_parse(dst, value, NULL);
iface = SND_CTL_ELEM_IFACE_MIXER;
if (strcasecmp(ucm_id, "JackControl") == 0)
iface = SND_CTL_ELEM_IFACE_CARD;
snd_ctl_elem_id_set_interface(dst, iface);
snd_ctl_elem_id_set_name(dst, value);
return 0;
}