Date: Tue, 17 Apr 2007 18:39:51 -0700 From: Sam Leffler <sam@errno.com> To: Rong-en Fan <grafan@gmail.com> Cc: acpi@freebsd.org, mobile@freebsd.org Subject: Re: acpi_ibm(4): new radio kill switch (readonly) sysctl Message-ID: <462576E7.9000106@errno.com> In-Reply-To: <6eb82e0704171645n5f7b2ca6h41b41016cdafad24@mail.gmail.com> References: <6eb82e0704171645n5f7b2ca6h41b41016cdafad24@mail.gmail.com>
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Rong-en Fan wrote: > As pointed out by Henrik Brix Andersen, I adds a sysctl entry > that shows the status of radio kill switch found on some ThinkPad: > > http://people.freebsd.org/~rafan/acpi_ibm_killswitch.diff > > dev.acpi_ibm.0.killswitch = 0 means the switch is off. It seems that > no acpi event will be generated when the value changes (actually, > my x60 does not generate any events when I presses FN+something). > Otherwise, we can hook it in devd.conf and remove wireless driver when > kill switch is on... > > Any comments? 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. Sam
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