Global snd_pcm_parse_control_id (snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp, int *cchannelsp, int *hwctlp) __attribute__((deprecated))
Since 1.2.5 This function parses the given config tree to retrieve the control element id and the card index. It's used by softvol. External PCM plugins can use this function for creating or assigining their controls.