'\" t
.\"     Title: snd_pcm_hw_constraint_ratnums
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: PCM API
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SND_PCM_HW_CONSTRAIN" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "PCM API"
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.SH "NAME"
snd_pcm_hw_constraint_ratnums \- apply ratnums constraint to a parameter
.SH "SYNOPSIS"
.HP \w'int\ snd_pcm_hw_constraint_ratnums('u
.BI "int snd_pcm_hw_constraint_ratnums(struct\ snd_pcm_runtime\ *\ " "runtime" ", unsigned\ int\ " "cond" ", snd_pcm_hw_param_t\ " "var" ", const\ struct\ snd_pcm_hw_constraint_ratnums\ *\ " "r" ");"
.SH "ARGUMENTS"
.PP
\fIruntime\fR
.RS 4
PCM runtime instance
.RE
.PP
\fIcond\fR
.RS 4
condition bits
.RE
.PP
\fIvar\fR
.RS 4
hw_params variable to apply the ratnums constraint
.RE
.PP
\fIr\fR
.RS 4
struct snd_ratnums constriants
.RE
.SH "RETURN"
.PP
Zero if successful, or a negative error code on failure\&.
.SH "COPYRIGHT"
.br