PATCH: acpi ec burst mode
Nate Lawson
nate at root.org
Mon Jun 30 15:03:57 PDT 2003
Please try out the patch at:
http://root.org/~nate/freebsd/ec-burst.diff
This adds support for the embedded controller to use burst mode by
default. It removes our non-working EventWaitIntr() implementation. It
has a debug print that will show:
"EC Waited max 2 cycles"
Please report the maximum value you get after applying the patch and
running it for a while. Also please report any regression in
functionality. You can turn off burst mode (on by default with this
patch) with:
sysctl hw.acpi.burst_mode=0
You should run this with "hw.acpi.verbose=1" in /boot/loader.conf. If you
get any Embedded Controller errors, please let me know.
Thanks,
-Nate
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