On Mon, 10 Aug 2026 13:04:23 +0200 Jorijn van der Graaf <[email protected]> wrote:
> The Sensortek STK36C61 is a 3-in-1 ambient light / proximity / RGB > colour sensor (chip ID 0x95) found in the Fairphone 6. Its register > interface is compatible with the feature set this driver uses: the > STATE/FLAG bit layout, the data and threshold registers and the gain > and integration-time fields, verified on that device (the ALS and > proximity readings scale with their gain and integration-time fields, > thresholds written through the event interface read back from the > chip, and the FLAG near/far bit crosses with them). Add its chip ID to > the known-ID list and the device table entries. > > Whenever the ALS engine runs, the chip also measures four colour > channels, laid out directly after the ALS data as 16-bit big-endian > values in R (0x15), G (0x17), B (0x19), C (0x1B) order; the R, G and B > assignments were each confirmed by the matching channel dominating > under red, green and blue illumination, and clear by its broadband > response. The ALS data register tracks the green channel exactly. > There is no public datasheet and therefore no counts-to-physical > mapping for the colour channels, so they are exposed as raw-only > intensity channels; the gain field the scale attribute controls does > not govern clear either. Hmm. that's unusual. If the green at least has known scale / integration time (as it's used for ALS - dirty hack but a common one) maybe expose that. I guess the controls for the other channels are in another register that we don't know about. Otherwise, this looks fine to me. Jonathan > > Assisted-by: Claude:claude-fable-5 > Signed-off-by: Jorijn van der Graaf <[email protected]>
