Hi Peter,
On 10/12/2016 08:04, Peter Meerwald-Stadler wrote:
>
>> [...]
>>>> + case IIO_CHAN_INFO_SCALE:
>>>> + if (chan->type == IIO_VOLTAGE) {
>>>> + /* 3000mV / 4096 * raw */
>>>> + *val = 0;
>>>> + *val2 = 732421875;
>>>
>>> this looks more like INT_PLUS_NANO, beyond range of micro?
>>>
>>>> + return IIO_VAL_INT_PLUS_MICRO;
>>
>> No, this is rather a mistake.
>>
>> The scale to convert to mV is 0.732421875 (3000mV / 4096). The scale to
>
> correct
>
>> convert to uV is thus 732.421875.
>
> yes, but we want millivolt in IIO (ABI/testing/see sysfs-bus-iio)
>
> I think you should change _PLUS_MICRO to _PLUS_NANO
>
Then, obviously yes. I'll check the other scales as well to be sure.
Thanks!
Quentin
--
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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