'\" t
.\"     Title: snd_lookup_minor_data
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Management of Cards and Devices
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SND_LOOKUP_MINOR_DAT" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Management of Cards and Device"
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.SH "NAME"
snd_lookup_minor_data \- get user data of a registered device
.SH "SYNOPSIS"
.HP \w'void\ *\ snd_lookup_minor_data('u
.BI "void * snd_lookup_minor_data(unsigned\ int\ " "minor" ", int\ " "type" ");"
.SH "ARGUMENTS"
.PP
\fIminor\fR
.RS 4
the minor number
.RE
.PP
\fItype\fR
.RS 4
device type (SNDRV_DEVICE_TYPE_XXX)
.RE
.SH "DESCRIPTION"
.PP
Checks that a minor device with the specified type is registered, and returns its user data pointer\&.
.PP
This function increments the reference counter of the card instance if an associated instance with the given minor number and type is found\&. The caller must call
\fBsnd_card_unref\fR
appropriately later\&.
.SH "RETURN"
.PP
The user data pointer if the specified device is found\&.
\fBNULL\fR
otherwise\&.
.SH "COPYRIGHT"
.br