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From: Jonathan Cameron <jic23@kernel.org>
To: Irina Tirdea <irina.tirdea@intel.com>, linux-iio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Vlad Dogaru <vlad.dogaru@intel.com>,
	Daniel Baluta <daniel.baluta@intel.com>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald <pmeerw@pmeerw.net>
Subject: Re: [PATCH v2 03/10] iio: core: Introduce IIO_VELOCITY and IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z
Date: Sun, 25 Jan 2015 23:00:58 +0000	[thread overview]
Message-ID: <54C575AA.2080306@kernel.org> (raw)
In-Reply-To: <1421003416-27557-4-git-send-email-irina.tirdea@intel.com>

On 11/01/15 19:10, Irina Tirdea wrote:
> Some devices export the current speed value of the user.
> 
> One of this devices is Freescale's MMA9553L
> (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
> that computes the speed of the user based on the number of steps and
> stride length.
> 
> Introduce a new channel type VELOCITY and a modifier for the magniture or
> norm of the velocity vector, IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z.
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Appied.
> ---
>  Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++
>  drivers/iio/industrialio-core.c         |  2 ++
>  include/linux/iio/types.h               |  2 ++
>  3 files changed, 14 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index c627a9a..80b5efb1 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -295,6 +295,7 @@ What:		/sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_scale
>  What:		/sys/bus/iio/devices/iio:deviceX/in_pressureY_scale
>  What:		/sys/bus/iio/devices/iio:deviceX/in_pressure_scale
>  What:		/sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale
> +What:		/sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale
>  KernelVersion:	2.6.35
>  Contact:	linux-iio@vger.kernel.org
>  Description:
> @@ -1164,3 +1165,12 @@ Contact:	linux-iio@vger.kernel.org
>  Description:
>  		This attribute is used to read the number of steps taken by the user
>  		since the last reboot while activated.
> +
> +What:		/sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_input
> +What:		/sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_raw
> +KernelVersion:	3.19
> +Contact:	linux-iio@vger.kernel.org
> +Description:
> +		This attribute is used to read the current speed value of the
> +		user (which is the norm or magnitude of the velocity vector).
> +		Units after application of scale are m/s.
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 655755b..18a8ab9 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -74,6 +74,7 @@ static const char * const iio_chan_type_name_spec[] = {
>  	[IIO_STEPS] = "steps",
>  	[IIO_ENERGY] = "energy",
>  	[IIO_DISTANCE] = "distance",
> +	[IIO_VELOCITY] = "velocity",
>  };
>  
>  static const char * const iio_modifier_names[] = {
> @@ -99,6 +100,7 @@ static const char * const iio_modifier_names[] = {
>  	[IIO_MOD_JOGGING] = "jogging",
>  	[IIO_MOD_WALKING] = "walking",
>  	[IIO_MOD_STILL] = "still",
> +	[IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z] = "sqrt(x^2+y^2+z^2)",
>  };
>  
>  /* relies on pairs of these shared then separate */
> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> index a7de445..c3601c2 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -34,6 +34,7 @@ enum iio_chan_type {
>  	IIO_STEPS,
>  	IIO_ENERGY,
>  	IIO_DISTANCE,
> +	IIO_VELOCITY,
>  };
>  
>  enum iio_modifier {
> @@ -68,6 +69,7 @@ enum iio_modifier {
>  	IIO_MOD_JOGGING,
>  	IIO_MOD_WALKING,
>  	IIO_MOD_STILL,
> +	IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
>  };
>  
>  enum iio_event_type {
> 


  reply	other threads:[~2015-01-25 23:01 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-11 19:10 [PATCH v2 00/10] Add MMA9553 driver & PM support for MMA9551 Irina Tirdea
2015-01-11 19:10 ` [PATCH v2 01/10] iio: core: Introduce ENERGY channel type Irina Tirdea
2015-01-25 22:58   ` Jonathan Cameron
2015-03-29  0:14   ` Hartmut Knaack
2015-03-30 11:18     ` Tirdea, Irina
2015-01-11 19:10 ` [PATCH v2 02/10] iio: core: Introduce DISTANCE " Irina Tirdea
2015-01-25 22:59   ` Jonathan Cameron
2015-01-11 19:10 ` [PATCH v2 03/10] iio: core: Introduce IIO_VELOCITY and IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z Irina Tirdea
2015-01-25 23:00   ` Jonathan Cameron [this message]
2015-01-11 19:10 ` [PATCH v2 04/10] iio: core: Introduce IO_CHAN_INFO_CALIBWEIGHT Irina Tirdea
2015-01-25 23:01   ` Jonathan Cameron
2015-01-11 19:10 ` [PATCH v2 05/10] iio: core: Introduce CHANGE event type Irina Tirdea
2015-01-25 23:03   ` Jonathan Cameron
2015-01-11 19:10 ` [PATCH v2 06/10] iio: core: Remove IIO_EV_TYPE_INSTANCE Irina Tirdea
2015-01-26 19:04   ` Jonathan Cameron
2015-01-11 19:10 ` [PATCH v2 07/10] iio: core: Introduce IIO_CHAN_INFO_FILTER_OUTLIERS_THRESH and _PERIOD Irina Tirdea
2015-01-25 23:07   ` Jonathan Cameron
2015-01-26 14:40     ` Daniel Baluta
2015-01-26 19:01       ` Jonathan Cameron
2015-01-27 16:20         ` Tirdea, Irina
2015-01-11 19:10 ` [PATCH v2 08/10] iio: accel: mma9551: Add runtime pm support Irina Tirdea
2015-01-26 19:08   ` Jonathan Cameron
2015-01-27 17:18     ` Tirdea, Irina
2015-01-11 19:10 ` [PATCH v2 09/10] iio: accel: mma9551: split driver to expose mma955x api Irina Tirdea
2015-01-26 19:25   ` Jonathan Cameron
2015-01-11 19:10 ` [PATCH v2 10/10] iio: add driver for Freescale MMA9553 Irina Tirdea
2015-01-26 20:44   ` Jonathan Cameron
2015-01-27 17:09     ` Tirdea, Irina
2015-01-27 17:31       ` Jonathan Cameron

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