Hello everyone, You will find a small series that add the support of processed values for iio-rescale driver. Thanks to that, it is possible to read processed values in sysfs instead of getting only raw and scale values. Here is an example for a 3v3 voltage reading: # cat /sys/bus/iio/devices/iio\:device1/in_voltage0_scale 3.791015625 # cat /sys/bus/iio/devices/iio\:device1/in_voltage0_raw 879 # cat /sys/bus/iio/devices/iio\:device1/in_voltage0_input 3332 It is also possible to read directly the processed values using iio-hwmon driver (see example in patch03): # cat /sys/class/hwmon/hwmon0/in1_input 3328 I seperated my series in 3 patches: - Patch01: Move the scale conversion into a function to prepare the support of IIO_CHAN_INFO_PROCESSED. - Patch02: Add the support of IIO_CHAN_INFO_PROCESSED. - Patch03: Add an example of the use of hwmon and voltage-divider nodes in device-tree. If you have any feedbacks on it, I will be pleased to read them! Best regards, Mylène Mylène Josserand (3): iio: afe: rescale: Move scale conversion to new function iio: afe: rescale: Add support of CHAN_INFO_PROCESSED dt-bindings: iio: afe: Add hwmon example .../bindings/iio/afe/voltage-divider.txt | 24 ++++++ drivers/iio/afe/iio-rescale.c | 96 ++++++++++++++++------ 2 files changed, 96 insertions(+), 24 deletions(-) -- 2.11.0
