snd_power_wait
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## Name

snd_power_wait — wait until the power-state is changed.

## Synopsis

`int snd_power_wait (` | struct snd_card * | card,
| unsigned int | power_state`)`;

## Arguments

`card`

  soundcard structure

`power_state`

  expected power state

## Description

Waits until the power-state is changed.

## Note

the power lock must be active before call.

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