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.