Re: vcnl3020 hwmon/proximity driver

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On Tue, 2020-01-28 at 05:22 -0800, Guenter Roeck wrote:
> On 1/28/20 3:31 AM, Ivan Mikhaylov wrote:
> > Hello, I want to make driver for vcnl3020 but not sure where should I put
> > it.
> > It's similar to vcnl40xx series which is already in iio/light/vcnl4000.c
> > but it perfectly fits with hwmon intrusion detection concept
> > (intrusion[0-*]_alarm), so I'm a little bit confused.
> > 
> > vcnl3020 - proximity sensor which mostly using for intrusion detection
> > vcnl4020 - light and proximity sensor
> > 
> > Doc's links:
> > https://www.vishay.com/docs/84150/vcnl3020.pdf
> > https://www.vishay.com/docs/83476/vcnl4020.pdf
> > 
> > That's what I think about possible ways:
> > 
> > 1. just iio/proximity/vcnl3020.c
> > 2. extend functionality inside vcnl4000.c with ifdefs and dts stuff and
> > maybe
> >     rename it with generalization inside
> > 3. hwmon driver for intrusion detection inside drivers/hwmon
> > 4. both iio/proximity/vcnl3020.c and hwmon/vcnl3020.c
> >     Example: hwmon/wm8350-hwmon.c + mfd/wm8350-core.c
> >     So, just make proximity driver, do the depend in Kconfig for hwmon
> > driver
> >     on proximity driver and use proximity driver calls if would be needed.
> > 
> 
> "intrusion" in the context of hardware monitoring is for chassis intrusion,
> not for intrusion into an area. This driver should reside in iio.
> 
> Thanks,
> Guenter

Guenter,
that's what I meant about intrusion, sorry for being inaccurate. This proximity
sensor can be used as chassis intrusion detector, that's why I mentioned about
hwmon and possible interface for such thing.

Thanks.





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