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SubjectRe: [RFC PATCH 1/1] leds: add generic inverted led trigger support
Hi Tobias,

We have already some triggers that accomplish that by introducing
a custom sysfs file. It seems less intrusive to do the same for
ledtrig-disk.c. You could also try to make this a generic feature
for all LED triggers.

On 3/8/20 3:27 PM, Tobias Schramm wrote:
> This commit allows inversion of triggers by appending "-inverted" to the
> name of a trigger.
> This can be useful when dealing with device that lack separate LEDs for
> indicating e.g. disk activity. With this commit applied the power LED
> can be used as a disk activity indicator by setting its default state to
> on and using the "disk-activity-inverted" trigger. The LED will then turn
> off briefly when there is disk activity.
> Signed-off-by: Tobias Schramm <>

Best regards,
Jacek Anaszewski

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