[wdmaudiodev] Cross-driver communication
- From: "Steve Thorpe" <steve@xxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 3 Jun 2004 15:06:15 -0700
We have a USB 2.0 Video/Audio product.
It has seperate drivers for Video and Audio which we developed
(It does not use Microsoft's USBAUDIO.SYS - it was developed
before the full USB 2.0 audio class spec was available)
The Audio driver is a Port Class mini-driver which works fine
for most of our device configurations but on some configurations
the audio driver needs to communicate with the video driver.
(Otherwise I have to duplicate a lot of complex I2C functionality
in the audio driver)
Is this possible? If so any advice on how it can be done.
( I am just getting back into driver development so this may be
a very basic problem but so far I haven't found a solution)
Steve Thorpe
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