> Signed-off-by: Matt Ranostay <mranostay@xxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-bus-iio | 6 ++++++
> drivers/iio/industrialio-core.c | 1 +
> include/uapi/linux/iio/types.h | 1 +
> 3 files changed, 8 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
> index 0439c2a..b15314e 100644
> --- a/Documentation/ABI/testing/sysfs-bus-iio
> +++ b/Documentation/ABI/testing/sysfs-bus-iio
> @@ -1491,3 +1491,9 @@ Description:
> This ABI is especially applicable for humidity sensors
> to heatup the device and get rid of any condensation
> in some humidity environment
> +
> +What: /sys/bus/iio/devices/iio:deviceX/in_ph_raw
> +KernelVersion: 4.5
> +Contact: linux-iio@xxxxxxxxxxxxxxx
> +Description:
> + Raw (unscaled no offset etc.) pH reading of a substance.
what is the unit (after application of offset and scale?
or otherwise state that this is unit-less
> diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> index d42a8ff9..e1b9a9e 100644
> --- a/drivers/iio/industrialio-core.c
> +++ b/drivers/iio/industrialio-core.c
> @@ -77,6 +77,7 @@ static const char * const iio_chan_type_name_spec[] = {
> [IIO_VELOCITY] = "velocity",
> [IIO_CONCENTRATION] = "concentration",
> [IIO_RESISTANCE] = "resistance",
> + [IIO_PH] = "ph",
> };
>
> static const char * const iio_modifier_names[] = {
> diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
> index 7c63bd6..c077617 100644
> --- a/include/uapi/linux/iio/types.h
> +++ b/include/uapi/linux/iio/types.h
> @@ -37,6 +37,7 @@ enum iio_chan_type {
> IIO_VELOCITY,
> IIO_CONCENTRATION,
> IIO_RESISTANCE,
> + IIO_PH,
> };
>
> enum iio_modifier {
>
--
Peter Meerwald-Stadler
+43-664-2444418 (mobile)
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