.TH "video_register_device" 9 "video_register_device" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
video_register_device \-  register video4linux devices
.SH SYNOPSIS
.B "int" video_register_device
.BI "(struct video_device *" vfd ","
.BI "int " type ","
.BI "int " nr ");"
.SH ARGUMENTS
.IP "vfd" 12
  video device structure we want to register
.IP "type" 12
 type of device to register
.IP "nr" 12
   which device number (0 == /dev/video0, 1 == /dev/video1, ...
-1 == first free)
.SH "DESCRIPTION"
The registration code assigns minor numbers based on the type
requested. -ENFILE is returned in all the device slots for this
category are full. If not then the minor field is set and the
driver initialize function is called (if non NULL).

Zero is returned on success.

Valid types are

VFL_TYPE_GRABBER - A frame grabber

VFL_TYPE_VTX - A teletext device

VFL_TYPE_VBI - Vertical blank data (undecoded)

VFL_TYPE_RADIO - A radio card