snd_pcm_hw_param_val(9)
NAME
snd_pcm_hw_param_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 PAR if it´s fixed in configuration space
defined by PARAMS. Return -EINVAL otherwise