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-rw-r--r--Documentation/hwmon/sht3x.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/hwmon/sht3x.rst b/Documentation/hwmon/sht3x.rst
index 957c854f5d..9585fa7c5a 100644
--- a/Documentation/hwmon/sht3x.rst
+++ b/Documentation/hwmon/sht3x.rst
@@ -65,6 +65,10 @@ When the temperature and humidity readings move back between the hysteresis
values, the alert bit is set to 0 and the alert pin on the sensor is set to
low.
+The serial number exposed to debugfs allows for unique identification of the
+sensors. For sts32, sts33 and sht33, the manufacturer provides calibration
+certificates through an API.
+
sysfs-Interface
---------------
@@ -99,3 +103,10 @@ repeatability: write or read repeatability, higher repeatability means
- 1: medium repeatability
- 2: high repeatability
=================== ============================================================
+
+debugfs-Interface
+-----------------
+
+=================== ============================================================
+serial_number: unique serial number of the sensor in decimal
+=================== ============================================================