linux-kernel - [v6 10/14] iio: document "serialnumber" sysfs attribute

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Message-ID: <20220613120534.36991-11-andrea.merello@iit.it>
Date:   Mon, 13 Jun 2022 14:05:30 +0200
From:   <andrea.merello@....it>
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@....it>
Subject: [v6 10/14] iio: document "serialnumber" sysfs attribute

From: Andrea Merello <andrea.merello@....it>

Add ABI documentation for the new "serialnumber" sysfs attribute. The
first user is the bno055 IIO driver.

Signed-off-by: Andrea Merello <andrea.merello@....it>
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 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 2f54f26d9e59..03e29517c1a4 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -2053,3 +2053,10 @@ 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/serialnumber
+KernelVersion:	5.20
+Contact:	linux-iio@...r.kernel.org
+Description:
+		An example format is 16-bytes, 2-digits-per-byte, HEX-string
+		representing the sensor unique ID number.
-- 
2.17.1