'\" t
.\"     Title: snd_pcm_hw_param_last
.\"    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_PARAM_LAS" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "PCM API"
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.SH "NAME"
snd_pcm_hw_param_last \- refine config space and return maximum value
.SH "SYNOPSIS"
.HP \w'int\ snd_pcm_hw_param_last('u
.BI "int snd_pcm_hw_param_last(struct\ snd_pcm_substream\ *\ " "pcm" ", struct\ snd_pcm_hw_params\ *\ " "params" ", snd_pcm_hw_param_t\ " "var" ", int\ *\ " "dir" ");"
.SH "ARGUMENTS"
.PP
\fIpcm\fR
.RS 4
PCM instance
.RE
.PP
\fIparams\fR
.RS 4
the hw_params instance
.RE
.PP
\fIvar\fR
.RS 4
parameter to retrieve
.RE
.PP
\fIdir\fR
.RS 4
pointer to the direction (\-1,0,1) or
\fBNULL\fR
.RE
.SH "DESCRIPTION"
.PP
Inside configuration space defined by
\fIparams\fR
remove from
\fIvar\fR
all values < maximum\&. Reduce configuration space accordingly\&.
.SH "RETURN"
.PP
The maximum, or a negative error code on failure\&.
.SH "COPYRIGHT"
.br