snd_pcm_hw_param_value (9) - Linux Manuals
snd_pcm_hw_param_value: return params field var value
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_tvar, int * dir);
ARGUMENTS
params
-
- the hw_params instance
var
- parameter to retrieve
dir
- pointer to the direction (-1,0,1) or NULL
RETURN
The value for field var if it's fixed in configuration space defined by params. -EINVAL otherwise.
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