I know that there are tools that can use IOKit to access this value using C, ObjC, etc - but I explicitly would like to use a bash one-liner to try and grab the value. Renesas ambient light sensors can adjust a displays backlight, which improves user experience and power savings by optimizing the displays viewability. ![]() "IOMatchCategory" = "IODefaultMatchCategory" 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'. Particularly, I'd like to read the current value of the ambient light sensor. The Ambient Light Sensor measures and reports the level of available natural light, enabling energy-saving daylight harvesting capabilities when used within. One is a single image that you can print, the other is a 8.5 x 11 sheet full of them that you can cut out. I'm using the ioreg command line tool to try and read sensor information available on my computer (iMac). 1.Use the attached files to print the circuit card.
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