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

From: Jonathan Cameron
Date: Sat Nov 22 2014 - 06:17:54 EST


On 10/11/14 12:45, Daniel Baluta wrote:
> From: Irina Tirdea <irina.tirdea@xxxxxxxxx>
>
> 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@xxxxxxxxx>
> Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
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@xxxxxxxxxxxxxxx
> +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 {
>

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