SNDCTL_DSP_RESET
args->cmd = SNDCTL_DSP_RESET;
case SNDCTL_DSP_RESET:
#define SOUND_PCM_RESET SNDCTL_DSP_RESET
err = ioctl(audio_fd, SNDCTL_DSP_RESET, NULL);
SNDCTL_DSP_RESET, SNDCTL_DSP_SETFMT, SNDCTL_DSP_CHANNELS,
case SNDCTL_DSP_RESET: