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'\" te
.\" Copyright (c) 2005, 4Front Technologies 2005\&.
.TH ossddk_install_mixer 9ossddk "12 Sep 2005" "SunOS 5.10" "OSS DDK Services"
.SH "NAME"
ossddk_install_mixer \- Creates an mixer device.
.PP
.SH "SYNOPSIS"
.nf
#include <sys/soundcard.h>
.LP
#include <sys/ossddk/ossddk.h>
.fi
.LP
\fBint\fR ossddk_install_mixer(\fBint \fIvers\fP, \fBoss_device_t * \fIosdev\fP, \fBoss_device_t * \fImaster_osdev\fP, \fBconst char *\fIname\fP, \fBmixer_driver_t *\fIdriver\fP, \fBint \fIdriver_size\fP, \fBvoid *\fIdevc\fP);
.PP
.SH "INTERFACE LEVEL"
.PP
Open Sound System specific (OSS 4.0 DDK)\&.
.PP
.SH "ARGUMENTS"
.PP
.sp
.ne 2
.mk
\fB\fIvers\fR
.in +16n
.rt
The OSSDDK mixer interface version. Pass OSS_MIXER_DRIVER_VERSION in this parameter.
.in -16n
.sp
.ne 2
.mk
\fB\fIosdev\fR
.in +16n
.rt
OSS device handle from ossddk_register_device(9ossddk).
.in -16n
.sp
.ne 2
.mk
\fB\fImaster_osdev\fR
.in +16n
.rt
OSS device handle for the master device. Usually same as \fIosdev\fR but
virtual drivers have to give the osdev handle of the master/physical device here.
OSS uses this parameter for example to get the right iblock_cookie.
.in -16n
.sp
.ne 2
.mk
\fB\fIname\fR
.in +16n
.rt
Name of the mixer device to be shown in /dev/sndstat. Also returned by the
SNDCTL_MIXERINFO(2oss) ioctl call.
.in -16n
.sp
.ne 2
.mk
\fB\fIdriver\fR
.in +16n
.rt
Pointer to the mixer driver callback table (mixer_driver_t).
.in -16n
.sp
.ne 2
.mk
\fB\fIdriver_size\fR
.in +16n
.rt
Set to sizeof(mixer_driver_t).
.in -16n
.sp
.ne 2
.mk
\fB\fIdevc\fR
.in +16n
.rt
Pointer to driver defined device instance data.
.in -16n
.PP
.SH "DESCRIPTION"
.PP
This call creates a mixer device file (/dev/mixer#) and returns the mixer
device number.
.PP
.SH "RETURN VALUES"
.PP
Negative value is an error code (-errno). Zero or positive is the mixer device
number created.
.PP
.SH "SEE ALSO"
.PP
\fIWriting Sound Device Drivers with OSS DDK\fR
\fIOpen Sound System Programmer's Guide\fR
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