SNDCTL_DSP_SYNC   681 fs/compat_ioctl.c COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
SNDCTL_DSP_SYNC   675 include/uapi/linux/soundcard.h #define SOUND_PCM_SYNC			SNDCTL_DSP_SYNC
SNDCTL_DSP_SYNC  2588 sound/core/oss/pcm_oss.c 	case SNDCTL_DSP_SYNC:
SNDCTL_DSP_SYNC  1032 sound/oss/dmasound/dmasound_core.c 	case SNDCTL_DSP_SYNC: