Re: Maximum values for multi_intensity sysfs attribute

[Armin Wolf]

Am 14.02.26 um 20:15 schrieb Armin Wolf:

> Hello,
>
> i am currently adding support for RGB keyboard backlight control to 
> the uniwill-laptop
> driver, and want to use the multicolor LED class for that. However the 
> hardware interface
> is a bit exotic:
>
> - 5 global brightness levels
> - 50 intensity levels for each R/G/B channel
>
> I am now asking myself how this should be mapped onto the 
> multi_intensity sysfs attribute.
> Should i set max_brightness to 5 and reject intensity values larger 
> that 50? Or should
> i set max_brightness to 50 and interpolate? What is the input range of 
> intensity values?
>
> Thanks,
> Armin Wolf 

Any ideas on this? My current approach would be to use 5 for the max brightness and clamp intensity
values to 50.

Thanks,
Armin Wolf