Re: [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO_CALIBGENDER

From: Jonathan Cameron
Date: Fri Dec 26 2014 - 08:30:03 EST


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@xxxxxxxxx>

> ---
> 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@xxxxxxxxxxxxxxx
> +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.
> +
> What: /sys/bus/iio/devices/iio:deviceX/in_steps_calibheight
> KernelVersion: 3.19
> Contact: linux-iio@xxxxxxxxxxxxxxx
> 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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