Messages in this thread | | | From | Gabriele Mazzotta <> | Subject | Re: [PATCH v2 1/3] platform: x86: dell-rbtn: Dell Airplane Mode Switch driver | Date | Wed, 29 Apr 2015 15:57:58 +0200 |
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On Wednesday 29 April 2015 15:08:40 Pali Rohár wrote: > 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)?
What is the presumed bug you are referring to? The fact that the soft state doesn't change?
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