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From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: Cameras, Scanners and other USB device-less object-d'arse
Date: Tue, 27 Sep 2005 12:33:58 +0000	[thread overview]
Message-ID: <20050927123358.GA9712@vrfy.org> (raw)
In-Reply-To: <1127822343.4358.3.camel@localhost.localdomain>

On Tue, Sep 27, 2005 at 12:59:03PM +0100, Scott James Remnant wrote:
> We here at Ubuntu Towers have turfed up an interesting problem in the
> last couple of days, there's still a large bunch of consumer USB devices
> such as scanners and "libgphoto2" cameras that don't work with the
> uevent system.
> 
> Instead if seems that to communicate these devices you need to use
> libusb, which uses a file under /proc/bus/usb/devices/NNN/NNN -- rather
> than any sensible node under /dev.
> 
> The lack of any node under /dev also seems to mean that there isn't any
> sysfs support for these devices.
> 
> What's the long-term plan for things like this?

don't use usbdevfs:
  http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;hûf82fd2e1f4e679c60516d772d1862c941ca845

libusb needs a patch, which is on this list.

Kay


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  parent reply	other threads:[~2005-09-27 12:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-27 11:59 Cameras, Scanners and other USB device-less object-d'arse Scott James Remnant
2005-09-27 12:25 ` Marco d'Itri
2005-09-27 12:33 ` Kay Sievers [this message]
2005-09-27 15:35 ` Scott James Remnant

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