Re: hp-wmi: wifi rfkill can't be reversed

[Darren Hart <dvhart@infradead.org>]

On 8/26/14, 2:50, "Ben Hutchings" <ben@decadent.org.uk> wrote:

>Alan Wilson (in cc) reported that rfkill doesn't work correctly on the
>HP Compaq nc6230.
>
>- Without the hp-wmi driver loaded, the hard rfkill switch controls both
>wifi and BT while soft rfkill only works for wifi.
>
>- With the hp-wmi driver loaded, soft and hard rfkill switches can be
>used to turn wifi and BT off and to turn BT back on, but wifi cannot be
>turned back on without using the BIOS setup program.
>
>(The full bug report is logged at <https://bugs.debian.org/756947>.)
>
>This was reported against Linux 3.2, but I don't think there have been
>relevant fixes since then.
>
>Perhaps the hp-wmi driver should blacklist this model for wifi rfkill
>(while leaving all the others features enabled).  Does that seem like a
>reasonable approach to fix this?
>
>Ben.

Hi didn't quite have to get pencil and paper out to create a truth table
for this one, but nearly! Assuming assertions about no more firmware
becoming available and the latest firmware being run are accurate,
blacklisting this model seems like a reasonable approach to restoring
basic functionality.

Thanks,

-- 
Darren Hart					Open Source Technology Center
darren.hart@intel.com				            Intel Corporation