snd_ctl_enum_info — fills the info structure for an enumerated control
int snd_ctl_enum_info ( | struct snd_ctl_elem_info * info, |
| unsigned int channels, | |
| unsigned int items, | |
const char *const names[]); |
infothe structure to be filled
channelsthe number of the control's channels; often one
items
the number of control values; also the size of names
names[]an array containing the names of all control values