SND_PCM_HW_PARAM_VAL

Section: PCM API (9)
Updated: February 2011
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NAME

snd_pcm_hw_param_value - return params field var value  

SYNOPSIS

int snd_pcm_hw_param_value(const struct snd_pcm_hw_params * params, snd_pcm_hw_param_t var, int * dir);
 

ARGUMENTS

params

the hw_params instance

var

parameter to retrieve

dir

pointer to the direction (-1,0,1) or NULL
 

DESCRIPTION

Return the value for field var if it's fixed in configuration space defined by params. Return -EINVAL otherwise.  

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