On Sun, Feb 05, 2017 at 04:21:27PM +0100, Peter Meerwald-Stadler wrote:
>
> > This patch adds channel type for expressing particle number
> > concentration.
>
> numberconcentration sound a bit strange to be, more like a number
> theoretic concept
>
> how about particlecontentration? or numberparticles?
>
Agree it may sound a bit strange but in fact it is a formal physical quantity
with SI unit. Perhaps I can leave it as is to stay consistent with
science world?
> > Signed-off-by: Tomasz Duszynski <tduszyns@xxxxxxxxx>
> > ---
> > Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++
> > drivers/iio/industrialio-core.c | 1 +
> > include/uapi/linux/iio/types.h | 1 +
> > 3 files changed, 9 insertions(+)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> > index 530809ccfacf..481771e585ee 100644
> > --- a/Documentation/ABI/testing/sysfs-bus-iio
> > +++ b/Documentation/ABI/testing/sysfs-bus-iio
> > @@ -1608,3 +1608,10 @@ Description:
> > provides an absolute positional reference (e.g. a pulse once per
> > revolution) which may be used to home positional systems as
> > required.
> > +
> > +What: /sys/bus/iio/devices/iio:deviceX/in_numberconcentration_input
> > +KernelVersion: 4.12
> > +Contact: linux-iio@xxxxxxxxxxxxxxx
> > +Description:
> > + Reading of particulates number in a volume of a mixture.
> > + Unit is in 1/m3.
> > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> > index d18ded45bedd..451e3bb8d623 100644
> > --- a/drivers/iio/industrialio-core.c
> > +++ b/drivers/iio/industrialio-core.c
> > @@ -85,6 +85,7 @@ static const char * const iio_chan_type_name_spec[] = {
> > [IIO_COUNT] = "count",
> > [IIO_INDEX] = "index",
> > [IIO_GRAVITY] = "gravity",
> > + [IIO_NUMBERCONCENTRATION] = "numberconcentration",
> > };
> >
> > static const char * const iio_modifier_names[] = {
> > diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
> > index ffafd6c25a48..52696e251c4d 100644
> > --- a/include/uapi/linux/iio/types.h
> > +++ b/include/uapi/linux/iio/types.h
> > @@ -43,6 +43,7 @@ enum iio_chan_type {
> > IIO_COUNT,
> > IIO_INDEX,
> > IIO_GRAVITY,
> > + IIO_NUMBERCONCENTRATION,
> > };
> >
> > enum iio_modifier {
> >
>
> --
>
> Peter Meerwald-Stadler
> +43-664-2444418 (mobile)
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