ALSA Library Reference Manual
DECLARATION
struct snd_mixer_element_switch3
{
/* two dimensional matrix of voice route switch */
int rsw_size; /* size in voice route descriptors (must be voice_size * voice_size bits !!!) */
int rsw; /* count of filled voice route descriptors */
int rsw_over; /* missing voice descriptors */
unsigned int *prsw; /* array */
};
REFERENCE