talking to my kernel driver
talking to my kernel driver
- Subject: talking to my kernel driver
- From: Stefan Werner <email@hidden>
- Date: Sun, 7 Dec 2003 21:48:30 +0100
Hi,
I have written an audio driver kext, based on the PhantomAudioDriver
example. Just like in the example, my driver is reading several
properties from the AudioEngine subtree in the Info.plist. What I'd
like to do now is change some of these values in a userspace
preferences pane. What would be the best way of communicating with my
kernel extension? I have taken a look at the HALPlugin API, also at the
example from by Alain Cretet. However, that appears to only change
things on HAL level, but not inside the kext - at least, when trying
Alain's example, I could not make it call the kext's
MyHalPluginControlChangeHandler() or MyHalPluginControlChanged()
functions. Is there a way I can write values to the IORegistry device
tree, most preferably the subtree of my kext's engine?
Thanks,
Stefan
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