snd_pcm_hw_param_value

Langue: en

Autres versions - même langue

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

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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.