linux-kernel - [PATCH v2 2/2] acpi/dock: document sysfs interface

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Date:   Sat, 10 Feb 2018 14:27:38 +0530
From:   Aishwarya Pant <aishpant@...il.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Greg KH <gregkh@...uxfoundation.org>
Cc:     Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH v2 2/2] acpi/dock: document sysfs interface

Description has been collected from git commit history and reading
through code.

Signed-off-by: Aishwarya Pant <aishpant@...il.com>
---
Changes in v2:
- Split up attribute definitions

 .../ABI/testing/sysfs-devices-platform-dock        | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-dock

diff --git a/Documentation/ABI/testing/sysfs-devices-platform-dock b/Documentation/ABI/testing/sysfs-devices-platform-dock
new file mode 100644
index 000000000000..1d8c18f905c7
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-devices-platform-dock
@@ -0,0 +1,39 @@
+What:		/sys/devices/platform/dock.N/docked
+Date:		Dec, 2006
+KernelVersion:	2.6.19
+Contact:	linux-acpi@...r.kernel.org
+Description:
+		(RO) Value 1 or 0 indicates whether the software believes the
+		laptop is docked in a docking station.
+
+What:		/sys/devices/platform/dock.N/undock
+Date:		Dec, 2006
+KernelVersion:	2.6.19
+Contact:	linux-acpi@...r.kernel.org
+Description:
+		(WO) Writing to this file causes the software to initiate an
+		undock request to the firmware.
+
+What:		/sys/devices/platform/dock.N/uid
+Date:		Feb, 2007
+KernelVersion:	v2.6.21
+Contact:	linux-acpi@...r.kernel.org
+Description:
+		(RO) Displays the docking station the laptop is docked to.
+
+What:		/sys/devices/platform/dock.N/flags
+Date:		May, 2007
+KernelVersion:	v2.6.21
+Contact:	linux-acpi@...r.kernel.org
+Description:
+		(RO) Show dock station flags, useful for checking if undock
+		request has been made by the user (from the immediate_undock
+		option).
+
+What:		/sys/devices/platform/dock.N/type
+Date:		Aug, 2008
+KernelVersion:	v2.6.27
+Contact:	linux-acpi@...r.kernel.org
+Description:
+		(RO) Display the dock station type- dock_station, ata_bay or
+		battery_bay.
-- 
2.16.1