linux-kernel - [v3 09/13] iio: document "serial

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Date:   Thu, 17 Feb 2022 17:27:06 +0100
From:   Andrea Merello <andrea.merello@...il.com>
To:     jic23@...nel.org, mchehab+huawei@...nel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     lars@...afoo.de, robh+dt@...nel.org, andy.shevchenko@...il.com,
        matt.ranostay@...sulko.com, ardeleanalex@...il.com,
        jacopo@...ndi.org, Andrea Merello <andrea.merello@...il.com>,
        Andrea Merello <andrea.merello@....it>
Subject: [v3 09/13] iio: document "serial_number" sysfs attribute

This patch adds ABI documentation for the new "serial_number" sysfs
attribute. The first user is the bno055 IIO driver.

Signed-off-by: Andrea Merello <andrea.merello@....it>
---
 Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 1b8d77577608..224585f00147 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2017,3 +2017,10 @@ Contact:	linux-iio@...r.kernel.org
 Description:
 		Raw (unscaled) euler angles readings. Units after
 		application of scale are deg.
+
+What:		/sys/bus/iio/devices/iio:deviceX/serial_number
+KernelVersion:	5.17
+Contact:	linux-iio@...r.kernel.org
+Description:
+		16-bytes, 2-digits-per-byte, HEX-string representing the sensor
+		unique ID number.
-- 
2.17.1