SND_PCM_HW_PARAM_FIR(9) PCM API SND_PCM_HW_PARAM_FIR(9)NAMEsnd_pcm_hw_param_first - refine config space and return minimum value
SYNOPSIS
int snd_pcm_hw_param_first(struct snd_pcm_substream * pcm,
struct snd_pcm_hw_params * params,
snd_pcm_hw_param_t var, int * dir);
ARGUMENTS
pcm
PCM instance
params
the hw_params instance
var
parameter to retrieve
dir
pointer to the direction (-1,0,1) or NULL
DESCRIPTION
Inside configuration space defined by params remove from var all values
> minimum. Reduce configuration space accordingly. Return the minimum.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SND_PCM_HW_PARAM_FIR(9)