SNDRV_PCM_FMTBIT_U24  180 include/sound/pcm.h #define SNDRV_PCM_FMTBIT_U24		SNDRV_PCM_FMTBIT_U24_LE
SNDRV_PCM_FMTBIT_U24  191 include/sound/pcm.h #define SNDRV_PCM_FMTBIT_U24		SNDRV_PCM_FMTBIT_U24_BE