On Fri, 30 Jun 2006, Klaus Frahm wrote: > > The problem why the patch does not work is actually quite trivial: When > > the dvb_usb_a800 module is NOT loaded, lsusb tells me the SAME ID 07ca:a800 > > for both devices. After loading the module, the old device switches its ID to > > a7ca:a801, the new device keeps its ID. So it is probably not possible to > > distinguish between the two devices using the IDs. > > > > To make this mail even longer I did a "lsusb -v" for both devices with no > > driver loaded. The results are attached. Out of curiosity I modified Klaus' > > second patch the following way. Instead of > > > > *cold=!(udev->descriptor.idProduct == 0xa800); > > > > the new check is > > > > *cold=!(udev->descriptor.iManufacturer == 1); I would prefer udev->descriptor.iManufacturer != 1 . > very interesting your observation. Obviously, my assumption about the > signification of the variable idProduct was wrong. Probably it is > modified (to 0xa801) in one of the other dvb-modules (dvb_usb, > dvb_usb_dibusb_common, ...) and that only after the initialization and > therefore it cannot be used to distinguish the two devices (maybe the > modification happens when loading the firmware). Exactly that is the case. Can you prepare a patch like the one above - I will commit as fast as possible. regards, Patrick. -- Mail: patrick.boettcher@xxxxxxx WWW: http://www.wi-bw.tfh-wildau.de/~pboettch/ _______________________________________________ linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
