SNDRV_PCM_IOCTL1_RESET
case SNDRV_PCM_IOCTL1_RESET:
int err = snd_pcm_ops_ioctl(substream, SNDRV_PCM_IOCTL1_RESET, NULL);
case SNDRV_PCM_IOCTL1_RESET:
case SNDRV_PCM_IOCTL1_RESET:
case SNDRV_PCM_IOCTL1_RESET:
case SNDRV_PCM_IOCTL1_RESET: