Name

snd_pcm_hw_param_mask —

Synopsis

int snd_pcm_hw_param_mask (snd_pcm_t *  pcm,
 snd_pcm_hw_params_t *  params,
 snd_pcm_hw_param_t  var,
 const snd_mask_t *  val);

Arguments

pcm

-- undescribed --

params

-- undescribed --

var

-- undescribed --

val

-- undescribed --

Description

Inside configuration space defined by PARAMS remove from PAR all values not contained in MASK. Reduce configuration space accordingly. This function can be called only for SNDRV_PCM_HW_PARAM_ACCESS, SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_SUBFORMAT. Return 0 on success or -EINVAL if the configuration space is empty