302     struct snd_ctl_elem_value ev;  in mixer_ctl_get_value()  local
308     memset(&ev, 0, sizeof(ev));  in mixer_ctl_get_value()
309     ev.id.numid = ctl->info->id.numid;  in mixer_ctl_get_value()
310     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);  in mixer_ctl_get_value()
316         return !!ev.value.integer.value[id];  in mixer_ctl_get_value()
319         return ev.value.integer.value[id];  in mixer_ctl_get_value()
322         return ev.value.enumerated.item[id];  in mixer_ctl_get_value()
325         return ev.value.bytes.data[id];  in mixer_ctl_get_value()
336     struct snd_ctl_elem_value ev;  in mixer_ctl_get_array()  local
344     memset(&ev, 0, sizeof(ev));  in mixer_ctl_get_array()
345     ev.id.numid = ctl->info->id.numid;  in mixer_ctl_get_array()
347     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);  in mixer_ctl_get_array()
354         size = sizeof(ev.value.integer.value[0]);  in mixer_ctl_get_array()
355         source = ev.value.integer.value;  in mixer_ctl_get_array()
359         size = sizeof(ev.value.bytes.data[0]);  in mixer_ctl_get_array()
360         source = ev.value.bytes.data;  in mixer_ctl_get_array()
364         size = sizeof(ev.value.iec958);  in mixer_ctl_get_array()
365         source = &ev.value.iec958;  in mixer_ctl_get_array()
379     struct snd_ctl_elem_value ev;  in mixer_ctl_set_value()  local
385     memset(&ev, 0, sizeof(ev));  in mixer_ctl_set_value()
386     ev.id.numid = ctl->info->id.numid;  in mixer_ctl_set_value()
387     ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_READ, &ev);  in mixer_ctl_set_value()
393         ev.value.integer.value[id] = !!value;  in mixer_ctl_set_value()
397         ev.value.integer.value[id] = value;  in mixer_ctl_set_value()
401         ev.value.enumerated.item[id] = value;  in mixer_ctl_set_value()
408     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in mixer_ctl_set_value()
413     struct snd_ctl_elem_value ev;  in mixer_ctl_set_array()  local
420     memset(&ev, 0, sizeof(ev));  in mixer_ctl_set_array()
421     ev.id.numid = ctl->info->id.numid;  in mixer_ctl_set_array()
426         size = sizeof(ev.value.integer.value[0]);  in mixer_ctl_set_array()
427         dest = ev.value.integer.value;  in mixer_ctl_set_array()
431         size = sizeof(ev.value.bytes.data[0]);  in mixer_ctl_set_array()
432         dest = ev.value.bytes.data;  in mixer_ctl_set_array()
436         size = sizeof(ev.value.iec958);  in mixer_ctl_set_array()
437         dest = &ev.value.iec958;  in mixer_ctl_set_array()
446     return ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in mixer_ctl_set_array()
486     struct snd_ctl_elem_value ev;  in mixer_ctl_set_enum_by_string()  local
495             memset(&ev, 0, sizeof(ev));  in mixer_ctl_set_enum_by_string()
496             ev.value.enumerated.item[0] = i;  in mixer_ctl_set_enum_by_string()
497             ev.id.numid = ctl->info->id.numid;  in mixer_ctl_set_enum_by_string()
498             ret = ioctl(ctl->mixer->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, &ev);  in mixer_ctl_set_enum_by_string()