tag	line	file	source code
SNDCTL_DSP_SETSYNCRO	875	drivers/sound/dmabuf.c	case SNDCTL_DSP_SETSYNCRO:
SNDCTL_DSP_SETSYNCRO	644	include/linux/soundcard.h	#define SOUND_PCM_SETSYNCRO    SNDCTL_DSP_SETSYNCRO