Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCHv2 3/4] ARM: tegra: use build-in device properties with rfkill_gpio | Date | Tue, 23 Feb 2016 11:31:40 +0100 |
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On Tuesday 23 February 2016 11:15:31 Arnd Bergmann wrote: > On Thursday 18 February 2016 21:04:49 Johannes Berg wrote: > > On Tue, 2016-01-26 at 09:42 +0100, Johannes Berg wrote:
> Just for my curiosity: what is the difference between a rfkill-gpio > device and a gpio-keys device with a KEY_RFKILL code? > > arch/arm/boot/dts/bcm4708-netgear-r6250.dts and others seem to > do the second approach in DT so they don't need to create the > platform device.
I found the answer now (after discussing on IRC): just for reference: KEY_RFKILL is for sending the event to the kernel when a user presses the gpio butting, this rfkill-gpio turns the devices on or off when after an RFKILL event is received.
Arnd
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