snd_pcm_hw_constraint_integer
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## Name

snd_pcm_hw_constraint_integer — apply an integer constraint to an interval

## Synopsis

`int snd_pcm_hw_constraint_integer (` | struct snd_pcm_runtime * runtime,
| snd_pcm_hw_param_t var`)`;

## Arguments

`runtime`

  PCM runtime instance

`var`

  hw_params variable to apply the integer constraint

## Description

Apply the constraint of integer to an interval parameter.

## Return

Positive if the value is changed, zero if it's not changed, or a negative error code.

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