2009/10/30 Richard Hughes <hughsient@xxxxxxxxx>: > Hey, > > I'm the maintainer of gnome-color-manager. gcm uses argyllcms to do > the device calibration, but gcm runs in the user session and does not > have access to hardware devices without a manual chmod. > > I've got a few solutions, which I wanted some feedback on: > > * ship a udev rule in upstream argyllcms which is installed just for Linux > * ship a udev rule in the Fedora argyllcms package > * Use PolicyKit to chmod the device from the session > > Obviously the first option is most preferable, but this depends on how > keen you would be maintain the udev rules upstream. The udev rule > would be very small, and just look like this: > > # Huey > ATTR{idVendor}=="0971", ATTR{idProduct}=="2005", MODE="666" > (other devices here, perhaps 4 or 5) > > and this would be installed into /etc/udev/rules.d/argyll.rules > > If this would be acceptable upstream then I'll work on a patch for > review, otherwise I'll work on other other two solutions. Thanks! Well, Argyllcms ships its own rules in libusb/55-Argyll.rules. I've just modified it in Mandriva Linux 2010.0 to use new ACL available in udev : MODE="666" for each line should be replaced by ENV{ACL_MANAGE}="1" -- Frederic Crozat