SNDRV_TIMER_FLG_CHANGE
if (timer->flags & SNDRV_TIMER_FLG_CHANGE) {
timer->flags &= ~SNDRV_TIMER_FLG_CHANGE;
timer->flags |= SNDRV_TIMER_FLG_CHANGE;
timer->flags |= SNDRV_TIMER_FLG_CHANGE;
(timer->flags & SNDRV_TIMER_FLG_CHANGE)) {
timer->flags &= ~SNDRV_TIMER_FLG_CHANGE;