linux-kernel - [PATCH v7 2/5] iio:Documentation: Add documentation for label channel attribute

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Message-ID: <20201102142000.68916-2-cristian.pop@analog.com>
Date:   Mon, 2 Nov 2020 16:19:57 +0200
From:   Cristian Pop <cristian.pop@...log.com>
To:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <jic23@...nel.org>, <devicetree@...r.kernel.org>,
        <robh+dt@...nel.org>, Cristian Pop <cristian.pop@...log.com>
Subject: [PATCH v7 2/5] iio:Documentation: Add documentation for label channel attribute

If a label is defined for this channel add that to the channel specific
attributes. This is useful for userspace to be able to identify an
individual channel.

Signed-off-by: Cristian Pop <cristian.pop@...log.com>
---
Changes in v7:
 - Specify affected only channels which we are implementing in this patch
   set. 
 Documentation/ABI/testing/sysfs-bus-iio | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index a9d51810a3ba..4a72ee43dee8 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1715,6 +1715,16 @@ Description:
 
 		Raw counter device counters direction for channel Y.
 
+What:		/sys/bus/iio/devices/iio:deviceX/in_voltageY_label
+What:		/sys/bus/iio/devices/iio:deviceX/out_voltageY_label
+KernelVersion:	5.8
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Optional symbolic label to a device channel.
+		If a label is defined for this channel add that to the channel
+		specific attributes. This is useful for userspace to be able to
+		better identify an individual channel.
+
 What:		/sys/bus/iio/devices/iio:deviceX/in_phaseY_raw
 KernelVersion:	4.18
 Contact:	linux-iio@...r.kernel.org
-- 
2.17.1