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Linux Kernel Developers Discussing Generic RGB LED Interface

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  • #11
    Originally posted by Happy Heyoka View Post
    While that sounds like a good idea, it is of course up to the hardware vendors to document correctly and put it in their firmware using some mechanism that reports these details and then they have to decide on a formal format for reporting the details between vendors etc etc

    Most of the RGB LEDs I've played with have driver hardware that's pretty dumb - way lower level than i2c or spi or anything that could have a hardware ID you could read.
    Yes, I'm thinking of devicetrees, that could be used to report RGB leds, especially on embedded systems like smartphones. Otherwise, I'm quite sure (although not in the know) that UEFI could also provide some information regarding this (maybe with a dtb as well, actually).