'\" t
.\"     Title: snd_pcm_hw_constraint_mask64
.\"    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_PCM_HW_CONSTRAIN" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "Sound Devices"
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.SH "NAME"
snd_pcm_hw_constraint_mask64 \- apply the given bitmap mask constraint
.SH "SYNOPSIS"
.HP \w'int\ snd_pcm_hw_constraint_mask64('u
.BI "int snd_pcm_hw_constraint_mask64(struct\ snd_pcm_runtime\ *\ " "runtime" ", snd_pcm_hw_param_t\ " "var" ", u_int64_t\ " "mask" ");"
.SH "ARGUMENTS"
.PP
\fIruntime\fR
.RS 4
PCM runtime instance
.RE
.PP
\fIvar\fR
.RS 4
hw_params variable to apply the mask
.RE
.PP
\fImask\fR
.RS 4
the 64bit bitmap mask
.RE
.SH "DESCRIPTION"
.PP
Apply the constraint of the given bitmap mask to a 64\-bit mask parameter\&.
.SH "RETURN"
.PP
Zero if successful, or a negative error code on failure\&.
.SH "COPYRIGHT"
.br