Documentation: ABI: document IIO thermocouple_type file

IIO core layer gained a new sysfs standard attribute "thermocouple_type".
This patch adds it to the list of documented ABI for sysfs-bus-iio

Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Patrick Havelange <patrick.havelange@essensium.com>
Cc: Matt Weber <matthew.weber@rockwellcollins.com>
Cc: Matt Ranostay <matt.ranostay@konsulko.com>
Cc: Chuhong Yuan <hslester96@gmail.com>
Cc: Daniel Gomez <dagmcr@gmail.com>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 94f7eb6..d3e53a6 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1733,3 +1733,9 @@ Contact:  linux-iio@vger.kernel.org
 Description:
                Center frequency in Hz for a notch filter. Used i.e. for line
                noise suppression.
+
+What:          /sys/bus/iio/devices/iio:deviceX/in_temp_thermocouple_type
+KernelVersion: 5.5
+Contact:       linux-iio@vger.kernel.org
+Description:
+               One of the following thermocouple types: B, E, J, K, N, R, S, T.