Re: [PATCH v2 01/10] iio: core: Introduce ENERGY channel type

From: Hartmut Knaack
Date: Sat Mar 28 2015 - 20:14:49 EST


Irina Tirdea schrieb am 11.01.2015 um 20:10:
> Human activity sensors report the energy burnt by the user.
> One of this devices is Freescale's MMA9553L
> (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
> that computes the number of calories based on weight and step rate.
>
> Introduce a new channel type ENERGY to export these values.
>

Hi Irina,
annoyingly, some people decided to increase the major version number of the
kernel. Could you take care of updating your introduced instances from 3.20
to 4.0?
Thanks,

Hartmut

> Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++
> drivers/iio/industrialio-core.c | 1 +
> include/linux/iio/types.h | 1 +
> 3 files changed, 12 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index 831db86..3311886 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -282,6 +282,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_current_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
> +What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale
> What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale
> @@ -1049,6 +1050,15 @@ Description:
> For a list of available output power modes read
> in_accel_power_mode_available.
>
> +What: /sys/.../iio:deviceX/in_energy_input
> +What: /sys/.../iio:deviceX/in_energy_raw
> +KernelVersion: 3.20
> +Contact: linux-iio@xxxxxxxxxxxxxxx
> +Description:
> + This attribute is used to read the energy value reported by the
> + device (e.g.: human activity sensors report energy burnt by the
> + user). Units after application of scale are Joules.
> +
> What: /sys/bus/iio/devices/iio:deviceX/store_eeprom
> KernelVersion: 3.4.0
> Contact: linux-iio@xxxxxxxxxxxxxxx
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index 69feb91..8d2c9ba 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -72,6 +72,7 @@ static const char * const iio_chan_type_name_spec[] = {
> [IIO_HUMIDITYRELATIVE] = "humidityrelative",
> [IIO_ACTIVITY] = "activity",
> [IIO_STEPS] = "steps",
> + [IIO_ENERGY] = "energy",
> };
>
> static const char * const iio_modifier_names[] = {
> diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
> index 904dcbb..26b8a1c 100644
> --- a/include/linux/iio/types.h
> +++ b/include/linux/iio/types.h
> @@ -32,6 +32,7 @@ enum iio_chan_type {
> IIO_HUMIDITYRELATIVE,
> IIO_ACTIVITY,
> IIO_STEPS,
> + IIO_ENERGY,
> };
>
> enum iio_modifier {
>

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