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.TH "SND_POWER_WAIT" "9" "09 October 2005" "" ""

.SH NAME
snd_power_wait \- wait until the power-state is changed.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int snd_power_wait  (snd_card_t * \fIcard\fB, unsigned int \fIpower_state\fB, struct file * \fIfile\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIcard\fB\fR
soundcard structure
.TP
\fB\fIpower_state\fB\fR
expected power state
.TP
\fB\fIfile\fB\fR
file structure for the O_NONBLOCK check (optional)
.SH "DESCRIPTION"
.PP
Waits until the power-state is changed.
.SH "NOTE"
.PP
the power lock must be active before call.