On Mon, Mar 9, 2015 at 5:45 PM, Jonathan Cameron <ji...@kernel.org> wrote: > On 02/03/15 19:03, Kevin Tsai wrote: >> Hi Daniel, >> >> Ambient light sensor is trying to match the brightness sensitivity of human >> visual system. Please see the following links: >> http://en.wikipedia.org/wiki/Color_vision#mediaviewer/File:Eyesensitivity.svg >> http://en.wikipedia.org/wiki/Color_vision >> >> You can compare the spectrum with the datasheet. The green channel is >> matched with ALS spectrum. > It's close (ish) to the right measurement, but it isn't the right > measurement. As such > I'd argue we leave it up to userspace to make the jump and use Green if a > true estimate > if illuminance isn't available, but don't suggest it is available from the > kernel.
Ok, I will respin the patch with this in mind. thanks, Daniel. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
