SNDRV_TIMER_IOCTL_CREATE
case SNDRV_TIMER_IOCTL_CREATE:
utimer_fd = ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, &wrong_timer);
ASSERT_LT(ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, NULL), 0);
if (ioctl(timer_dev_fd, SNDRV_TIMER_IOCTL_CREATE, self->utimer_info) < 0) {