snd_ac97_pcm_double_rate_rules
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## Name

snd_ac97_pcm_double_rate_rules — set double rate constraints

## Synopsis

`int snd_ac97_pcm_double_rate_rules (` | struct snd_pcm_runtime * runtime`)`;

## Arguments

`runtime`

  the runtime of the ac97 front playback pcm

## Description

Installs the hardware constraint rules to prevent using double rates and more than two channels at the same time.

## Return

Zero if successful, or a negative error code on failure.

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