Re: [PATCH v6 2/4] iio:Documentation: Add documentation for label channel attribute

From: Jonathan Cameron
Date: Fri Sep 25 2020 - 08:12:08 EST


On Mon, 21 Sep 2020 16:30:18 +0300
Cristian Pop <cristian.pop@xxxxxxxxxx> wrote:

> If a label is defined for this channel add that to the channel specific
> attributes. This is useful for userspace to be able to identify an
> individual channel.
>
> Signed-off-by: Cristian Pop <cristian.pop@xxxxxxxxxx>
> ---
> Changes in v6:
> - Fix documentation
> Documentation/ABI/testing/sysfs-bus-iio | 72 +++++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index a9d51810a3ba..53c5156362af 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -1715,6 +1715,78 @@ Description:
>
> Raw counter device counters direction for channel Y.
>
> +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label

Please limit this to those channels for which we are implementing it
in this patch set. Others should be added if/as we use them.

For some channel types I'm not sure it will ever be used. It doesn't necessarily
make sense to define a label for the xaxis of an accelerometer for example.

Thanks,

Jonathan

> +What: /sys/bus/iio/devices/iio:deviceX/in_currentY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_currentY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_powerY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_powerY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_accelY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_accelY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_angl_velY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_angl_velY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_magnY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_magnY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_lightY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_lightY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_intensityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_proximityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_proximityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_tempY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_tempY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_incliY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_incliY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_rotY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_rotY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_anglY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_anglY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_timestampY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_timestampY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_capacitanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_cctY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_cctY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_pressureY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelativeY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_humidityrelativeY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_activityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_activityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_stepsY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_stepsY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_energyY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_energyY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_distanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_distanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_velocityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_velocityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_concentrationY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_resistanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_resistanceY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_phY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_phY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_uvindexY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_uvindexY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_electricalconductivityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_electricalconductivityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_countY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_countY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_indexY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_indexY_label
> +What: /sys/bus/iio/devices/iio:deviceX/in_gravityY_label
> +What: /sys/bus/iio/devices/iio:deviceX/out_gravityY_label
> +KernelVersion: 5.8
> +Contact: linux-iio@xxxxxxxxxxxxxxx
> +Description:
> + Optional symbolic label to a device channel.
> + If a label is defined for this channel add that to the channel
> + specific attributes. This is useful for userspace to be able to
> + better identify an individual channel.
> +
> What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw
> KernelVersion: 4.18
> Contact: linux-iio@xxxxxxxxxxxxxxx