On Wed, 16 Nov 2011 14:44:08 +0000 Nuno Santos <nsantos@xxxxxxxxxx> wrote: > Hi, > > After digging a little bit around this i found that my problem is with > this function: > > dev = udev_device > *udev_device_get_parent_with_subsystem_devtype(dev,"usb","usb_device"); > > dev is always null. He can't find me the usb device for my input device. > Maybe i'm not specifiying subsystem and dev type correctly. > > If I make several calls to udev_device_get_parent I can get to the > correct device. > > Does anyone knows what should be the correct subsystem and dev type pair > to find the parent usb device for an input device? > You can find out the most specific subsystem and devtype yourself using: udevadm monitor and then plugging the device in. Regards, Antonio -- Antonio Ospite http://ao2.it PGP public key ID: 0x4553B001 A: Because it messes up the order in which people normally read text. See http://en.wikipedia.org/wiki/Posting_style Q: Why is top-posting such a bad thing?
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