Re: [PATCH v4 5/7] iio: core: Introduce IIO_CHAN_INFO_CALIBHEIGHT

[Jonathan Cameron <jic23@kernel.org>]

On 10/11/14 12:45, Daniel Baluta wrote:
> From: Irina Tirdea <irina.tirdea@intel.com>
> 
> Some devices need the height 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 height of the user to compute the stride length which
> is used further to determine distance, speed and activity type.
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
> Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Applied to the togreg branch of iio.git pushed out as testing.

What fun ;)

J
> ---
>  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 c60b0a1..4a9e29a 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -323,6 +323,14 @@ Description:
>  		production inaccuracies).  If shared across all channels,
>  		<type>_calibscale is used.
>  
> +What:		/sys/bus/iio/devices/iio:deviceX/in_steps_calibheight
> +KernelVersion:	3.19
> +Contact:	linux-iio@vger.kernel.org
> +Description:
> +		Height of the user (in centimeters) used by some pedometers
> +		to compute the stride length, distance, speed and activity
> +		type.
> +
>  What:		/sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
>  What:		/sys/.../iio:deviceX/in_voltageX_scale_available
>  What:		/sys/.../iio:deviceX/in_voltage-voltage_scale_available
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 1e060f3..45bb3a4 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -120,6 +120,7 @@ static const char * const iio_chan_info_postfix[] = {
>  	[IIO_CHAN_INFO_HYSTERESIS] = "hysteresis",
>  	[IIO_CHAN_INFO_INT_TIME] = "integration_time",
>  	[IIO_CHAN_INFO_ENABLE] = "en",
> +	[IIO_CHAN_INFO_CALIBHEIGHT] = "calibheight",
>  };
>  
>  /**
> diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
> index f45a400..878d861 100644
> --- a/include/linux/iio/iio.h
> +++ b/include/linux/iio/iio.h
> @@ -39,6 +39,7 @@ enum iio_chan_info_enum {
>  	IIO_CHAN_INFO_HYSTERESIS,
>  	IIO_CHAN_INFO_INT_TIME,
>  	IIO_CHAN_INFO_ENABLE,
> +	IIO_CHAN_INFO_CALIBHEIGHT,
>  };
>  
>  enum iio_shared_by {
>