N810 light meter

The light meter lets the software on the N810 sense ambient light levels.

[edit] Hardware

The device is a TAOS TSL2563.

[edit] Software

The kernel driver exposes the lux value in the sysfs file

cat /sys/class/i2c-adapter/i2c-0/device/0-0029/lux

Third party applications that use this sensor include light-meter and photographic light meter.