"IOMatchCategory" = "IODefaultMatchCategory" The Ambient Light Sensors work well with all kinds of light sources from natural sunlight to fluorescent and incandescent lamps with minimum detectable. But the value is not there: +-o AppleLMUController So far, I have been able to retrieve some general information regarding the sensor via ioreg -f -b -r -c 'AppleLMUController'. Renesas ambient light sensors can adjust a displays backlight, which improves user experience and power savings by optimizing the displays viewability. Particularly, I'd like to read the current value of the ambient light sensor. Broadcom ambient light sensors are used for display backlight control and light color temperature sensing (with RGB color sensor) to achieve optimum viewing in different light source conditions and minimizing power consumption for extending battery life. I'm using the ioreg command line tool to try and read sensor information available on my computer (iMac). The ambient light sensor (ALS) products provide measurements of ambient light intensity which matches the human eye response to light under a variety of.
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