Re: Implement per-key keyboard backlight as auxdisplay?

[Pavel Machek]

Hi!

> coming from the leds mailing list I'm writing with Pavel how to best handle
> per-key RGB keyboards.
> 
> His suggestion was that it could be implemented as an aux display, but he
> also suggested that I ask first if this fits.

Thanks for doing this.

> The specific keyboard RGB controller I want to implement takes 6*21 rgb
> values. However not every one is actually mapped to a physical key. e.g. the
> bottom row needs less entries because of the space bar. Additionally the
> keys are ofc not in a straight line from top to bottom.

So... a bit of rationale. The keyboard does not really fit into the
LED subsystem; LEDs are expected to be independent ("hdd led") and not
a matrix of them.

We do see various strange displays these days -- they commonly have
rounded corners and holes in them. I'm not sure how that's currently
supported, but I believe it is reasonable to view keyboard as a
display with slightly weird placing of pixels.

Plus, I'd really like to play tetris on one of those :-).

So, would presenting them as auxdisplay be acceptable? Or are there
better options?

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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