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.