snd_mask_set
snd_mask_set(mask, (__force unsigned int)format);
snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_RW_INTERLEAVED);
snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_RW_NONINTERLEAVED);
snd_mask_set(&formats, (__force int)SNDRV_PCM_FORMAT_MU_LAW);
snd_mask_set(&m, (__force unsigned)SNDRV_PCM_SUBFORMAT_STD);
snd_mask_set(&m, (__force unsigned)SNDRV_PCM_SUBFORMAT_MSBITS_MAX);
snd_mask_set(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_SUBFORMAT),
snd_mask_set(mask, (__force unsigned int)data->asrc_format);
snd_mask_set(mask, val);
snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);