acpi_ibm(4): new radio kill switch (readonly) sysctl

Henrik Brix Andersen henrik at
Wed Apr 18 08:36:50 UTC 2007

Hi Sam,

On Tue, Apr 17, 2007 at 06:39:51PM -0700, Sam Leffler wrote:
> If the radio is Atheros-based the kill switch likely generates a GPIO
> interrupt that the ath driver can catch and use to turn the radio on/off.

In lack of an ACPI event, that would be neat - any hints on how to
test if this is the case?

Henrik Brix Andersen <henrik at>
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