Re: [PATCH 1/2] iio: ABI: Clarify proximity output value
From: Jonathan Cameron
Date: Sun Jun 21 2015 - 09:39:19 EST
On 16/06/15 21:41, Peter Meerwald wrote:
>> Current description for proximity measurement is ambiguous. While
>> the first part says that proximity is measured by observing
>> reflectivity, the second part incorrectly infers that reported values
>> should behave like a distance.
>> This is because of AS3935 lightning sensor which uses the proximity
>> API, while not being a true proximity sensor.
> Acked-by: Peter Meerwald <pmeerw@xxxxxxxxxx>
Thanks Peter, this will stand for the record on the mailing list, but
now the patch is in a public (non testing tree) I'm not going to rebase
to add it to the patch.
Sorry about that, but 3 days too late :(
>> Fixes: 614e8842ddf ("iio: ABI: add clarification for proximity")
>> Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
>> Documentation/ABI/testing/sysfs-bus-iio | 6 ++----
>> 1 file changed, 2 insertions(+), 4 deletions(-)
>> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
>> index bbed111..70c9b1a 100644
>> --- a/Documentation/ABI/testing/sysfs-bus-iio
>> +++ b/Documentation/ABI/testing/sysfs-bus-iio
>> @@ -1234,10 +1234,8 @@ Description:
>> object is near the sensor, usually be observing
>> reflectivity of infrared or ultrasound emitted.
>> Often these sensors are unit less and as such conversion
>> - to SI units is not possible. Where it is, the units should
>> - be meters. If such a conversion is not possible, the reported
>> - values should behave in the same way as a distance, i.e. lower
>> - values indicate something is closer to the sensor.
>> + to SI units is not possible. Higher proximity measurements
>> + indicate closer objects, and vice versa.
>> What: /sys/.../iio:deviceX/in_illuminance_input
>> What: /sys/.../iio:deviceX/in_illuminance_raw
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