Hey, It seems that the "light" channel that's available in hid-sensor-hub stopped working quite some time ago. I've tested this on a ColorHug ALS light sensor, as well as on the light sensor part of the HID sensor hub on a Surface 3. The accelerometer and the gyro work fine on the Surface 3, but the light sensor only ever returns zeros when iio-sensor-proxy or the iio_generic_buffer tools are used: $ sudo iio_generic_buffer -A -N 0 iio device number being used is 0 iio trigger number being used is 0 Enabling all channels Enabling: in_intensity_both_en Enabling: in_illuminance_en /sys/bus/iio/devices/iio:device0 als-dev0 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 Disabling: in_intensity_both_en Disabling: in_illuminance_en I believe this has been broken for at least a year. Does anyone know what the problem could be, or how to get started debugging the problem? I'll probably try checking whether the problem is with the user-space parsing of the data, rather than the kernel driver. Cheers
