snd_pcm_hw_param_last(9)

snd_pcm_hw_param_last9

Refine config space and return maximum value

Usage

int snd_pcm_hw_param_last(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

Overview

Inside configuration space defined by params remove from var all values < maximum. Reduce configuration space accordingly.

Return

The maximum, or a negative error code on failure.

Releases

6 releases since Debian 4.0 (Etch); the text changed 5 times.

  1. 4.0
  2. 5.0
  3. 6.0
  4. 7
  5. 8
  6. 9

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.