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Need help with DSDT patching


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#1
hampel

hampel

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Hi everyone,

I am having some trouble to patch my own Vanilla DSDT to get a working audio device. I downloaded a DSDT for a Lenovo T420 provided by manwe150 witch works fine for audio with patched applehda.kext.
Now when I try to add the Methods from manwe150's DSDT into my own, the audio device won't show up in device manager no more.
Since I don't have any experience with patching DSDT I don't now where to start looking. I am using DSDTSE right now to compile my DSDT.aml,
Please find attached 2 DSDT files one with working audio, one without.

Attached Files



#2
hampel

hampel

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Hi there,

figured out what the problem was...
I was missing the IRQNoFlags
of
Name (BUF0, ResourceTemplate ()
				    {
					    IRQNoFlags ()
						    {0}
					    IRQNoFlags ()
						    {8}
					    IRQNoFlags ()
						    {11}
					    IRQNoFlags ()
						    {15}
					    Memory32Fixed (ReadOnly,
						    0xFED00000,		 // Address Base
						    0x00000400,		 // Address Length
						    )
				    })
in the HPET Device :-)





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