SND_PCM_HW_PARAM_VAL(9)                      PCM API                      SND_PCM_HW_PARAM_VAL(9)



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

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

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_PCM_HW_PARAM_VAL(9)