SNDRV_PCM_IOCTL_TSTAMP  661 sound/core/pcm_compat.c 	case SNDRV_PCM_IOCTL_TSTAMP:
SNDRV_PCM_IOCTL_TSTAMP 2920 sound/core/pcm_native.c 	case SNDRV_PCM_IOCTL_TSTAMP:	/* just for compatibility */