# Re: \[PATCH v2\] platform/x86: add support for Acer Predator LEDs

- From: Enrico Weigelt, metux IT consult \<hidden\>
- Date: 2021-06-16 17:20:50 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2021/06/8933135
- Thread: https://ratatoskr.run/platform-driver-x86/2021/06/14872104/t.md

```text
On 16.06.21 17:56, leo60228 wrote:
>> Can you please tell a bit more what these LEDs are actually used for ?
>> Do they have some names or symbols ? Are they also controlled by
>> something else (e.g. numlock or shiftlock leds)
>
> They're used for the keyboard backlight. This functionality is pretty common on gaming laptops.

hmm, keyboard backlight ... don't we already have something for that
in input subsys ? I believe that some lone LEDs aren't the right subsys
for those stuff.

CC'ing linux-input list: guys, could you have a look at this ? is input
sysbsys already capable of handling this ?



--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@metux.net -- +49-151-27565287
```