[wdmaudiodev] How to query USB Device Bus Speed?
- From: KS <wakeup1504@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 4 Sep 2007 18:58:18 +0800
Hi,
Does anyone know of any method for a USB device driver to query the Device
Bus Speed that the underlying device is running at? Did not find any
straightforward way to query for this information. I saw a call for
IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX, but it seems more suitable for
a user mode application instead of kernel mode driver.
Thanks.
KS
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