Messages in this thread | | | Date | Tue, 10 Aug 2010 17:08:00 +0200 | Subject | USB device getting different product ids | From | Dhaval Giani <> |
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Heya,
Admittedly I am using an older kernel, but I was wondering if a USB device can get different product ids on being plugged in at different times. I have one of these nice USB modems to connect to the internet . It is one of these huawei devices. Now, most of the times, it gets detected with vendor id 0x12d1 and product id 0x1446. In this mode, on loading the usbserial module, I see only ttyUSB0 come up, which for whatever reason, I am unable to use to connect to the internet. However when it is detected as the product id 0x140b, I get ttyUSB[0-2] which then connects very nicely via both wvdial and networkmanager to the internet. Now obviously, I would like for the device to get detected as 0x140b each time, as opposed to me pulling it out and inserting it back in till does get detected as 0x140b :-).
So my question is,
1. Is it possible for the same device to get different product ids at different times 2. If so, how do I possibly get it to detect the id I want, as opposed to playing a game of chance.
I am currently using the Fedora 13 default kernel.
Thanks, Dhaval
(I would copy linux-usb if I knew the mailing list id, but as I am on a slow GPRS connection, which is quite flaky right now, I would like to send this out right now. Please copy that list if it would help!)
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