SND_PCM_HW_PARAM_VAL
Section: PCM API (9)
Updated: February 2011
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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.
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