Hi, series adds enable, integration time, duty ratio and multi pulse settings for vcnl4040 and vcnl4200. Only enable is also for ambient light sensor, the rest is for proximity sensor. The second patch allows you to switch sensors on or off. This is required for the rest of patches, as the settings should be changed on disabled sensor. The duty ratio (the fourth patch) is available as extended channel enum. I've chosen this approach as it is more straightforward from the sensor's perspective. It will be a bit tricky, but it can be exported as sampling frequency attribute. The sampling frequency depends on the integration time and 20% of part to part tolerance needs to be added. In this case, only the available frequencies for currently selected integration time should be listed in the available attribute? Please note that the sampling frequency -> duty ratio mapping is ambiguous. There are more frequencies which map to different integration and duty ratio pairs. The whole series is tested on vcnl4020 and vcnl4200. The series is based on fixes-togreg (e19ac9d9a978) and two patches already posted to iio mailing lists (series 'iio: light: vcnl4000: update sampling rates' [1]). [1] https://lore.kernel.org/linux-iio/20200108155852.32702-1-tomas@xxxxxxxxxx/ Tomas Novotny (5): iio: light: vcnl4000: convert to regmap iio: light: vcnl4000: add enable attributes for vcnl4040/4200 iio: light: vcnl4000: add proximity integration time for vcnl4040/4200 iio: light: vcnl4000: add control of duty ratio iio: light: vcnl4000: add control of multi pulse Documentation/ABI/testing/sysfs-bus-iio-vcnl4000 | 39 ++ drivers/iio/light/Kconfig | 1 + drivers/iio/light/vcnl4000.c | 545 +++++++++++++++++++++-- 3 files changed, 549 insertions(+), 36 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-vcnl4000 -- 2.16.4
