Lennart Poettering <lennart at poettering.net> writes: > On Fri, 08.01.10 09:15, David K?gedal (davidk at lysator.liu.se) wrote: > >> >> > These two ultimately come from UDEV: >> >> > >> >> > udev_device_get_property_value(card, "ID_MODEL_FROM_DATABASE") >> >> > and >> >> > udev_device_get_property_value(card, "ID_SERIAL") >> >> > >> >> > So I guess udev puts the underscores in. >> >> >> >> Thank you. Finally a pointing finger. >> >> >> >> So why is udev giving us a mangled name? And why is PA using that, >> >> rather than using the information it obviously can get from the device? >> > >> > Because we trust udev. And we want to keep the bus-specific code in PA >> > at a minimum. >> >> That sounds sensible. And "udevadm info --path=/sys/bus/usb/devices/2-4.4 >> --query=property | grep ID_MODEL" does show the broken name (and there >> is no ID_MODEL_FROM_DATABASE). >> >> I guess I'll move my complaints to the udev people (or possibly the >> Ubuntu people) and see what emerges. > > udev actually sets two props: ID_MODEL and ID_MODEL_ENC. The former > has all special chars (including spaces) replaced by underscore. The > latter has them escape in a \x20 like notation. > > I have now modified PA to use ID_MODEL_ENC and undo the encoding. You > should now get the USB supplied names without underscores. Wonderful! I didn't get any response to my question on linux-hotplug. Have you seen any kind of documentation about these properties anywhere, by the way? -- David K?gedal
