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grx-ambient-light is an automatical LED dimming daemon script.
It adapts the intensity of the LEDs to the ambient light measured by a sensor, if enabled.

See the CONFIG_LED_DIMM_AUTO article for details.

The sensor data is read from /dev/ttyLTQ1, 2 bytes per value, 3 values per second.
The script does a lot of fancy calculation to mask out short changes and adapt to the 0-100% range of the dimmer.
The result is then sent to the hui.ko module by writing it to /sys/kernel/hui/ambient_light once per second.


Daily updated index of all dependencies of this command. Last update: 2023-02-07 07:21 GMT.
A * in the Mod column marks info from Supportdata-Probes, which will always stay incomplete.

Relation Typ Object Mod Firmware Info Origin
Started by serv grx-ambient-light.service 2 7.39 - 7.51 supervisor service for grx-ambient-light AVM
1 dependency for this command


Daily updated index of the presence, path and size of this command for each model. Last update: 2023-02-07 05:56 GMT.
Showing all models using this command. Click any column header (click-wait-click) to sort the list by the respective data.
The (main/scrpn/boot/arm/prx/atom) label in the Model column shows which CPU is meant for models with multiple Linux instances.
Note that this list is merged from Firmware-Probes of all known AVM firmware for a model, including Recovery.exe and Labor-Files.

Model Firmware Path Size
FRITZ!Box 7590 7.39 - 7.51 /bin 2.7k - 3.2k
FRITZ!Box 7590 AX 7.39 /bin 3.2k
2 models use this command


Daily updated index of all symbols of this command. Last update: 2023-02-07 07:21 GMT.

Firmware Symbol
0 symbols for this command


Information is currently being retrieved from the backend.


Showing 1 related property.