Hi! > >> Writing 3 or 4 or 5 numbers all at once in a single sysfs file to > >> represent a single output should be fine. > >> thanks, > > Thank you for making this clear. > > Effectively, the way to go as I see it now is just moving from > colors directory to channel_intensity and channel_names files. Yes. > Besides that, since the issue of backwards compatibility with > LED class still remains, we need to apply the already worked out > formula for mapping brightness to color iout values. > > This implies that color values written to channel_intensity file > will be written unchanged to the hw only when global brightness > is equal to max_brightness. This is because they will be multiplied > by brightness / max_brightness ratio. > > Do you agree, Pavel? Yes. That seems like possible solution. Pavel -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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