QCA9880/9890 rfkill

Adrian Chadd adrian at freebsd.org
Wed Sep 23 11:57:31 PDT 2015


The GPIO line needs to be hooked in via the relevant EEPROM/OTP
setting so the firmware programs things in correctly.

Go dump the OTP and see what the rfkill firmware line is.


On 23 September 2015 at 11:55, William Riba <wriba at wriba.com> wrote:
> Does anybody know whether rfkill in its hard block flavor is supported in
> any QCA9880/9890 based device and/or firmware load? While vendors refer to
> the WiFi disable/GPIO line in their reference schematics, it is not
> functional.  What I see after testing multiple cards is if the line is
> asserted during operation, there seems to be no effect. If it is asserted at
> boot-up, the device does not enumerate on the PCI bus.
> If Qualcomm does not intend to support this functionality anymore it would
> be nice to know. Hard kills are a regulatory requirement for certain
> applications. While we would like to use a QCA9890 in a new application,
> there's no way it could make it through qualifications with its current
> operation.  Any additional information on this would be welcome. Thanks.
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