Re: [PATCH] arm64: dts: qcom: msm8939-longcheer-l9100: Add proximity-near-level

From: André Apitzsch
Date: Wed Oct 18 2023 - 15:54:00 EST


Am Mittwoch, dem 18.10.2023 um 10:32 +0200 schrieb Konrad Dybcio:
>
>
> On 10/17/23 22:03, André Apitzsch wrote:
> > Am Dienstag, dem 17.10.2023 um 18:25 +0200 schrieb Konrad Dybcio:
> > >
> > >
> > > On 10/16/23 22:18, André Apitzsch wrote:
> > > > Consider an object near to the sensor when their distance is
> > > > about
> > > > 4 cm
> > > > or below.
> > > >
> > > > Signed-off-by: André Apitzsch <git@xxxxxxxxxxx>
> > > > ---
> > > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> > >
> > > Out of interest, what is it set to by default?
> > >
> > > Konrad
> >
> > The default value is 0.
> That much I could guess :) I was wondering if it meant more like "it
> can detect movement from 1km away" or "disabled"
>
> Konrad

I doubt that this sensor can detect anything from a distance of 50cm.

The values returned by the sensor are all non-negative, i.e. zero means
something like "disabled" as every raw proximity value would be
considered 'near' to the sensor according to the description in
iio/common.yaml.

André