SNDRV_PCM_FMTBIT_FLOAT64_LE  198 include/sound/pcm.h #define SNDRV_PCM_FMTBIT_FLOAT64	SNDRV_PCM_FMTBIT_FLOAT64_LE
SNDRV_PCM_FMTBIT_FLOAT64_LE  122 sound/xen/xen_snd_front_cfg.c 		.mask = SNDRV_PCM_FMTBIT_FLOAT64_LE