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CONFIG_LEDS_TRIGGER_GPIO: LED GPIO Trigger

General informations

The Linux kernel configuration item CONFIG_LEDS_TRIGGER_GPIO:

prompt: LED GPIO Trigger
type: tristate
depends on: ( CONFIG_LEDS_TRIGGERS ) && ( CONFIG_GPIOLIB )
defined in drivers/leds/Kconfig
found in Linux Kernels: from 2.6.30 release still available on 2.6.34 release
module created: ledtrig-gpio

Help text

This allows LEDs to be controlled by gpio events. It's good when using gpios as switches and triggering the needed LEDs from there. One use case is n810's keypad LEDs that could be triggered by this trigger when user slides up to show keypad.

If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

lkddb module ledtrig-gpio "LED GPIO Trigger" :: CONFIG_LEDS_TRIGGER_GPIO :: drivers/leds/Kconfig

Sources

Linux Kernel
Linux Kernel Driver DataBase (LKDDb)

Notes

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