From: "Pádraig Brady" <P@draigBrady.com>
To: ian@pickworth.me.uk
Cc: Linux and Kernel Video <video4linux-list@redhat.com>
Subject: Re: How to force the device assignment with V4l V2.0?
Date: Fri, 17 Oct 2008 15:00:21 +0100 [thread overview]
Message-ID: <48F89A75.1000100@draigBrady.com> (raw)
In-Reply-To: <48F895F9.5010205@pickworth.me.uk>
Ian Pickworth wrote:
> I have two devices - a CX88 based Hauppauge TV PCI card, and a USB
> webcam. In the "old" style drivers, I could force the loading of the two
> modules (cx8800 and gspca) in a set sequence, using blacklist and
> modules.autoload. This is enough to ensure that cx88 gets /dev/video0,
> and the usb webcam gets /dev/video1.
I use udev rules to give persistent names.
Here is my /etc/udev/rules.d/video.rules file,
which creates /dev/webcam and /dev/tvtuner as appropriate.
KERNEL=="video*" SYSFS{name}=="USB2.0 Camera", NAME="video%n", SYMLINK+="webcam"
KERNEL=="video*" SYSFS{name}=="em28xx*", NAME="video%n", SYMLINK+="tvtuner"
To find distinguishing attributes to match on use:
echo /sys/class/video4linux/video* | xargs -n1 udevinfo -a -p
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next prev parent reply other threads:[~2008-10-17 14:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-17 13:41 How to force the device assignment with V4l V2.0? Ian Pickworth
2008-10-17 14:00 ` Pádraig Brady [this message]
2008-10-17 14:09 ` Ian Pickworth
2008-10-17 15:51 ` Ian Pickworth
2008-10-18 4:56 ` Brandon Philips
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