snd_pcm_hw_constraint_mask64 840 include/sound/pcm.h int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, snd_pcm_hw_constraint_mask64 1934 sound/core/pcm_native.c err = snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, hw->formats);