On Wednesday 29 April 2015 12:30:32 Gabriele Mazzotta wrote:
> On Wednesday 29 April 2015 11:51:04 Pali Rohár wrote:
> > This is an ACPI driver for Dell laptops which receive HW switch events.
> > It exports rfkill device dell-rbtn which provide correct hard rfkill state.
> > 
> > Alex Hung added code for supporting Dell laptops which have toggle button
> > instead HW slider switch. On these laptops toggle button event is reported
> > by new input device (instead rfkill) as they do not have hw radio switch.
> > 
> > It looks like those are two different functions (rfkill, input device), but
> > Dell BIOS exports them via same ACPI device and uses same ACPI functions.
> > So code is in one kernel driver.
> 
> I made a patch some time ago that I've just adapted. It allows to
> prefer RBTN_SLIDER over RBTN_TOGGLE. The main reason why I'd like to
> have the hardware switch is that the BIOS doesn't alter the soft state
> of the devices. This comes in handy when the function key controls
> multiple radio devices.
> 

Now I'm thinking... is't this bug in wifi kernel driver (which exports
phy rfkill)? Or problem somewhere else (userspace or kernel)?

-- 
Pali Rohár
pali.ro...@gmail.com
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