'\" t
.\"     Title: snd_power_wait
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: May 2018
.\"    Manual: Sound Devices
.\"    Source: Kernel Hackers Manual 3.16.56
.\"  Language: English
.\"
.TH "SND_POWER_WAIT" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Sound Devices"
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.SH "NAME"
snd_power_wait \- wait until the power\-state is changed\&.
.SH "SYNOPSIS"
.HP \w'int\ snd_power_wait('u
.BI "int snd_power_wait(struct\ snd_card\ *\ " "card" ", unsigned\ int\ " "power_state" ");"
.SH "ARGUMENTS"
.PP
\fIcard\fR
.RS 4
soundcard structure
.RE
.PP
\fIpower_state\fR
.RS 4
expected power state
.RE
.SH "DESCRIPTION"
.PP
Waits until the power\-state is changed\&.
.SH "RETURN"
.PP
Zero if successful, or a negative error code\&.
.SH "NOTE"
.PP
the power lock must be active before call\&.
.SH "COPYRIGHT"
.br