LED netdev trigger

[Jason Kridner]

Please turn on the NETDEV and all the fun LED triggers. :-)

This is needed for BeagleBone AI WiFi link indication.

[Drew Fustini]

@jadonk @RobertCNelson did we do this?

[Robert Nelson]

Yes

[Drew Fustini]

@RobertCNelson

drivers/leds/trigger/ledtrig-netdev.c added in 4.14:

5f820ed52371 v5.5-rc1~98^2      leds: trigger: netdev: fix handling on interface rename
909346433064 v5.1-rc3~9^2       leds: trigger: netdev: use memcpy in device_name_store
4cb6560514fa v5.1-rc3~9^2~2     leds: trigger: netdev: fix refcnt leak on interface rename
f8112a1de1a7 v4.19-rc1~161^2~10 leds: netdev trigger: simplifications from core changes
2282e125a406 v4.19-rc1~161^2~15 leds: triggers: let struct led_trigger::activate() return an error code
06f502f57d0d v4.16-rc1~136^2~11 leds: trigger: Introduce a NETDEV trigger

[Robert Nelson]

it's been enabled, and shipped with teh bbai out of box image.

[Drew Fustini]

@RobertCNelson Ah, I was editing while you were writing. What did we add to the device tree for it?

[Robert Nelson]

beagleboard/BeagleBoard-DeviceTrees@37d95fa#diff-5e2ddc241fee7ebdc0dee927b7061de1

[Drew Fustini]

Ah I see:
https://github.com/beagleboard/BeagleBoard-DeviceTrees/blob/v4.19.x-ti/src/arm/am5729-beagleboneai.dts

		led4 {
			label = "beaglebone:green:usr4";
			gpios = <&gpio3 7 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "netdev";
			default-state = "off";
		};

[Drew Fustini]

Thanks, I am out of phase :)

So close it?