MAX44009(4) FreeBSD Kernel Interfaces Manual MAX44009(4)
NAME
max44009 - driver for MAX44009 Ambient Light Sensor
SYNOPSIS
To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device max44009
device iicbus
Alternatively, to load the driver as a module at boot time, place the
following line in loader.conf(5):
max44009_load="YES"
DESCRIPTION
The max44009 driver reports illuminance data from MAX44009 Ambient Light
Sensor.
The max44009 driver reports data via sysctl(8) entry in the device's node
in the sysctl(8) tree:
illuminance The illuminance, in lux units.
On an FDT(4) based system the following properties must be set:
compatible Must be set to "maxim,max44009".
reg The I2C address of max44009 which can be either 0x4a or 0x4b.
SEE ALSO
fdt(4), iicbus(4), sysctl(8)
HISTORY
The max44009 driver and this manual page was written by Andriy Gapon
<
[email protected]>.
BUGS
The max44009 driver does not support illuminance thresholds and the
corresponding interrupt.
FreeBSD 14.1-RELEASE-p8 November 6, 2021 FreeBSD 14.1-RELEASE-p8