SND_PCM_HW_PARAM_FIR(9) Sound Devices SND_PCM_HW_PARAM_FIR(9)
NAME
snd_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.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SND_PCM_HW_PARAM_FIR(9)