SNDCTL_DSP_SETSYNCRO 702 fs/compat_ioctl.c COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) SNDCTL_DSP_SETSYNCRO 686 include/uapi/linux/soundcard.h #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO SNDCTL_DSP_SETSYNCRO 2692 sound/core/oss/pcm_oss.c case SNDCTL_DSP_SETSYNCRO: