SIOC_IN           113 include/uapi/linux/soundcard.h #define	SIOC_INOUT	(SIOC_IN|SIOC_OUT)
SIOC_IN           117 include/uapi/linux/soundcard.h #define	_SIOW(x,y,t)	((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
SIOC_IN           124 include/uapi/linux/soundcard.h #define _SIOC_WRITE	SIOC_IN
SIOC_IN           349 sound/core/oss/mixer_oss.c 	if (cmd & SIOC_IN) {