SNDRV_PCM_HW_PARAM_LAST_MASK 231 include/sound/pcm.h struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_LAST_MASK 720 include/sound/pcm.h var <= SNDRV_PCM_HW_PARAM_LAST_MASK; SNDRV_PCM_HW_PARAM_LAST_MASK 364 include/uapi/sound/asound.h struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -