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.