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authorMatt Ranostay <mranostay@gmail.com>2016-01-26 18:34:30 -0800
committerJonathan Cameron <jic23@kernel.org>2016-01-30 16:27:17 +0000
commitecb3a7ccc653fc8007edd0591d32d839386673f1 (patch)
tree36a6cc38498db92fffeccc4889280315d933e555 /Documentation/ABI/testing/sysfs-bus-iio
parent5f9c95d8516e9383f545be6f7178eef8aea008c8 (diff)
downloadop-kernel-dev-ecb3a7ccc653fc8007edd0591d32d839386673f1.zip
op-kernel-dev-ecb3a7ccc653fc8007edd0591d32d839386673f1.tar.gz
iio: ph: add IIO_PH channel type
Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 8fadd27..80c6fce 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1493,3 +1493,10 @@ 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@vger.kernel.org
+Description:
+ Raw (unscaled no offset etc.) pH reading of a substance as a negative
+ base-10 logarithm of hydrodium ions in a litre of water.
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