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.