Re: [PATCH RFC v2 0/9] leds: Add support for hardware-initiated hardware control trigger transition

On Thu, 18 Jun 2026, Rong Zhang wrote:

Some laptops can tune their keyboard backlight according to ambient
light sensors (auto mode). This capability is essentially a hardware
control trigger. Meanwhile, such laptops also offer a shrotcut for
cycling through brightness levels and auto mode. For example, on
ThinkBook, pressing Fn+Space cycles keyboard backlight levels in the
following sequence:

So we're effectively lifting something out of netdev and making it more
generic.  I don't generally have an issue with this, but the idea will
need more eyes on before I feel confident enough to review (for my
own little quirks) and merge it.

-- 
Lee Jones