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Re: usbdeviceopen failure - non-classic problem



Rich,

He wants to open the IOUSBDevice and not the IOUSBInterface. The question is who is grabbing the device. So, his kext is OK.

--
Fernando Urbina
USB Technology Team
Apple Computer, Inc.

On Oct 28, 2005, at 3:26 PM, Rich Kubota wrote:

Based on the ioreg output below, it appears that your codeless kext has been matched to the device, rather than to the interface. You want to let the Apple composite driver go ahead and match at the device level, and change the codeless kext to match to the desired interface.

The criteria to match to the interface a just a bit different.

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References: 
 >usbdeviceopen failure - non-classic problem (From: Joseph Antony <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Garth Cummings <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Joseph Antony <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Garth Cummings <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Joseph Antony <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Joseph Antony <email@hidden>)
 >Re: usbdeviceopen failure - non-classic problem (From: Rich Kubota <email@hidden>)



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