linux-kernel - RE: [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO

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Date:	Mon, 29 Dec 2014 19:59:23 +0000
From:	"Tirdea, Irina" <irina.tirdea@...el.com>
To:	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>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	"Peter Meerwald" <pmeerw@...erw.net>
Subject: RE: [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO_CALIBGENDER



> -----Original Message-----
> From: Jonathan Cameron [mailto:jic23@...nel.org]
> Sent: 26 December, 2014 15:30
> To: Tirdea, Irina; linux-iio@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org; Dogaru, Vlad; Baluta, Daniel; Hartmut Knaack; Lars-Peter Clausen; Peter Meerwald
> Subject: Re: [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO_CALIBGENDER
> 
> On 19/12/14 22:57, Irina Tirdea wrote:
> > Some devices need the gender of the user to compute various
> > parameters. One of this devices is Freescale's MMA9553L
> > (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
> > that needs the gender of the user to compute distance, speed and activity type.
> >
> > Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
> 
> > ---
> >  Documentation/ABI/testing/sysfs-bus-iio |    8 ++++++++
> >  drivers/iio/industrialio-core.c         |    1 +
> >  include/linux/iio/iio.h                 |    1 +
> >  3 files changed, 10 insertions(+)
> >
> > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> > index e480175..3b68c2d 100644
> > --- a/Documentation/ABI/testing/sysfs-bus-iio
> > +++ b/Documentation/ABI/testing/sysfs-bus-iio
> > @@ -343,6 +343,14 @@ Description:
> >  		production inaccuracies).  If shared across all channels,
> >  		<type>_calibscale is used.
> >
> > +What:		/sys/bus/iio/devices/iio:deviceX/in_steps_calibgender
> > +KernelVersion:	3.19
> > +Contact:	linux-iio@...r.kernel.org
> > +Description:
> > +		Gender of the user: 0 for female and 1 for male. It is needed
> > +		by some pedometers to compute the stride length, distance,
> > +		speed and activity type.
> This will have to go through the extended attribute enum interface. No magic
> numbers in the interface please.

Sure, I will change this in next version.

Thanks for the reviews, Jonathan!

Irina

> > +
> >  What:		/sys/bus/iio/devices/iio:deviceX/in_steps_calibheight
> >  KernelVersion:	3.19
> >  Contact:	linux-iio@...r.kernel.org
> > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> > index 4c435c8..93a39f9 100644
> > --- a/drivers/iio/industrialio-core.c
> > +++ b/drivers/iio/industrialio-core.c
> > @@ -125,6 +125,7 @@ static const char * const iio_chan_info_postfix[] = {
> >  	[IIO_CHAN_INFO_ENABLE] = "en",
> >  	[IIO_CHAN_INFO_CALIBHEIGHT] = "calibheight",
> >  	[IIO_CHAN_INFO_CALIBWEIGHT] = "calibweight",
> > +	[IIO_CHAN_INFO_CALIBGENDER] = "calibgender",
> >  };
> >
> >  /**
> > diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> > index 752a929..63dac0f 100644
> > --- a/include/linux/iio/iio.h
> > +++ b/include/linux/iio/iio.h
> > @@ -41,6 +41,7 @@ enum iio_chan_info_enum {
> >  	IIO_CHAN_INFO_ENABLE,
> >  	IIO_CHAN_INFO_CALIBHEIGHT,
> >  	IIO_CHAN_INFO_CALIBWEIGHT,
> > +	IIO_CHAN_INFO_CALIBGENDER,
> >  };
> >
> >  enum iio_shared_by {
> >

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