SNDRV_MASK_BITS    22 include/sound/pcm_params.h #define SNDRV_MASK_SIZE	(SNDRV_MASK_BITS / 32)
SNDRV_MASK_BITS   192 include/sound/pcm_params.h 	snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS);