Re: [PATCH v2 2/2] dt-bindings: leds: add "internet" and "rssi" function definitions

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On Tue, Oct 31, 2023 at 8:47 PM Shiji Yang <yangshiji66@xxxxxxxxxxx> wrote:
>
> On Tue, 31 Oct 2023 13:03:05 -0500, Rob Herring wrote:
>
> >On Tue, Oct 31, 2023 at 09:29:01PM +0800, Shiji Yang wrote:
> >> These two types of LEDs are widely used in routers and NICs. The
> >> RSSI (Received Signal Strength Indicator) LED is used to display
> >> the Wi-Fi signal strength, and the Internet LED can indicate
> >> whether the device can access a specific server.
> >>
> >> Signed-off-by: Shiji Yang <yangshiji66@xxxxxxxxxxx>
> >> ---
> >>  include/dt-bindings/leds/common.h | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >> diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
> >> index 9a0d33d02..55a426e39 100644
> >> --- a/include/dt-bindings/leds/common.h
> >> +++ b/include/dt-bindings/leds/common.h
> >> @@ -88,11 +88,13 @@
> >>  #define LED_FUNCTION_FLASH "flash"
> >>  #define LED_FUNCTION_HEARTBEAT "heartbeat"
> >>  #define LED_FUNCTION_INDICATOR "indicator"
> >> +#define LED_FUNCTION_INTERNET "internet"
> >
> >Duplicate of 'wan'.
>
>
> It's different from 'wan'. 'wan' usually indicates whether the WAN
> port is connected to the modem (internet services may still
> unavailable). But the 'internet' shows if the device can successfully
> ping servers like 8.8.8.8 to detected the internet connection status.
> When the router operates in AP only mode, we can even connect LAN port
> to the AC/modem to connect to the internet. In this case, 'internet'
> LED should still be on. On some routers, both 'internet' and 'wan'
> are available and be controled separately.
>
> Ref: OpenWrt has a lot of devices that require the 'internet' LED:
> https://git.openwrt.org/?p=openwrt%2Fopenwrt.git&a=search&h=HEAD&st=grep&s=label+%3D+.*net&sr=1

Okay, please include all this information in the commit msg.

Rob




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