linux-kernel - RE: [PATCH v2 01/10] iio: core: Introduce ENERGY channel type

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Date:	Mon, 30 Mar 2015 11:18:12 +0000
From:	"Tirdea, Irina" <irina.tirdea@...el.com>
To:	Hartmut Knaack <knaack.h@....de>,
	Jonathan Cameron <jic23@...nel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Dogaru, Vlad" <vlad.dogaru@...el.com>,
	"Baluta, Daniel" <daniel.baluta@...el.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>
Subject: RE: [PATCH v2 01/10] iio: core: Introduce ENERGY channel type



> -----Original Message-----
> From: Hartmut Knaack [mailto:knaack.h@....de]
> Sent: 29 March, 2015 2:14
> To: Tirdea, Irina; Jonathan Cameron; linux-iio@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org; Dogaru, Vlad; Baluta, Daniel; Lars-Peter Clausen; Peter Meerwald
> Subject: Re: [PATCH v2 01/10] iio: core: Introduce ENERGY channel type
> 
> Irina Tirdea schrieb am 11.01.2015 um 20:10:
> > Human activity sensors report the energy burnt by the user.
> > One of this devices is Freescale's MMA9553L
> > (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
> > that computes the number of calories based on weight and step rate.
> >
> > Introduce a new channel type ENERGY to export these values.
> >
> 
> Hi Irina,
> annoyingly, some people decided to increase the major version number of the
> kernel. Could you take care of updating your introduced instances from 3.20
> to 4.0?

Hi Hartmut,

Sure, I'll send a patch to fix all instances .
Thanks for pointing it out to me, I completely forgot about the version change since the patches have been merged before that.

Thanks,
Irina

> Thanks,
> 
> Hartmut
> 
> > Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
> > ---
> >  Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++
> >  drivers/iio/industrialio-core.c         |  1 +
> >  include/linux/iio/types.h               |  1 +
> >  3 files changed, 12 insertions(+)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> > index 831db86..3311886 100644
> > --- a/Documentation/ABI/testing/sysfs-bus-iio
> > +++ b/Documentation/ABI/testing/sysfs-bus-iio
> > @@ -282,6 +282,7 @@ What:		/sys/bus/iio/devices/iio:deviceX/in_current_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_accel_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
> > +What:		/sys/bus/iio/devices/iio:deviceX/in_energy_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_magn_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_magn_x_scale
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_magn_y_scale
> > @@ -1049,6 +1050,15 @@ Description:
> >  		For a list of available output power modes read
> >  		in_accel_power_mode_available.
> >
> > +What:		/sys/.../iio:deviceX/in_energy_input
> > +What:		/sys/.../iio:deviceX/in_energy_raw
> > +KernelVersion:	3.20
> > +Contact:	linux-iio@...r.kernel.org
> > +Description:
> > +		This attribute is used to read the energy value reported by the
> > +		device (e.g.: human activity sensors report energy burnt by the
> > +		user). Units after application of scale are Joules.
> > +
> >  What:		/sys/bus/iio/devices/iio:deviceX/store_eeprom
> >  KernelVersion:	3.4.0
> >  Contact:	linux-iio@...r.kernel.org
> > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> > index 69feb91..8d2c9ba 100644
> > --- a/drivers/iio/industrialio-core.c
> > +++ b/drivers/iio/industrialio-core.c
> > @@ -72,6 +72,7 @@ static const char * const iio_chan_type_name_spec[] = {
> >  	[IIO_HUMIDITYRELATIVE] = "humidityrelative",
> >  	[IIO_ACTIVITY] = "activity",
> >  	[IIO_STEPS] = "steps",
> > +	[IIO_ENERGY] = "energy",
> >  };
> >
> >  static const char * const iio_modifier_names[] = {
> > diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> > index 904dcbb..26b8a1c 100644
> > --- a/include/linux/iio/types.h
> > +++ b/include/linux/iio/types.h
> > @@ -32,6 +32,7 @@ enum iio_chan_type {
> >  	IIO_HUMIDITYRELATIVE,
> >  	IIO_ACTIVITY,
> >  	IIO_STEPS,
> > +	IIO_ENERGY,
> >  };
> >
> >  enum iio_modifier {
> >

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