SNDRV_PCM_IOCTL_TTSTAMP  488 sound/core/pcm_compat.c 	case SNDRV_PCM_IOCTL_TTSTAMP:
SNDRV_PCM_IOCTL_TTSTAMP 2508 sound/core/pcm_native.c 	case SNDRV_PCM_IOCTL_TTSTAMP: