snd_pcm_hw_param_first
Name
snd_pcm_hw_param_first --
Synopsis
int snd_pcm_hw_param_first (struct snd_pcm_substream * pcm, struct snd_pcm_hw_params * params, snd_pcm_hw_param_t var, int * dir);
Arguments
pcm PCM instance
params the hw_params instance
var parameter to retrieve
dir pointer to the direction (-1,0,1) or NULL
Description
Inside configuration space defined by PARAMS remove from PAR all
values > minimum. Reduce configuration space accordingly.
Return the minimum.