linux-kernel - [PATCH v3 2/3] Documentation/ABI: Add sysfs documentation for TrackPoint doubletap

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Message-ID: <20250901135308.52340-2-vishnuocv@gmail.com>
Date: Mon,  1 Sep 2025 22:53:06 +0900
From: Vishnu Sankar <vishnuocv@...il.com>
To: dmitry.torokhov@...il.com,
	hmh@....eng.br,
	hansg@...nel.org,
	ilpo.jarvinen@...ux.intel.com,
	derekjohn.clark@...il.com
Cc: mpearson-lenovo@...ebb.ca,
	linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	ibm-acpi-devel@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org,
	vsankar@...ovo.com,
	Vishnu Sankar <vishnuocv@...il.com>
Subject: [PATCH v3 2/3] Documentation/ABI: Add sysfs documentation for TrackPoint doubletap

Adding sysfs documentation for trackpoint doubletap.

Signed-off-by: Vishnu Sankar <vishnuocv@...il.com>
---
Changes in v3:
- Add sysfs documentation.
---
 .../testing/sysfs-driver-trackpoint-doubletap   | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-trackpoint-doubletap

diff --git a/Documentation/ABI/testing/sysfs-driver-trackpoint-doubletap b/Documentation/ABI/testing/sysfs-driver-trackpoint-doubletap
new file mode 100644
index 000000000000..d7cd63005523
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-trackpoint-doubletap
@@ -0,0 +1,17 @@
+What:          /sys/bus/serio/devices/serioX/doubletap_enabled
+Date:          Aug 2025
+KernelVersion: 6.17
+Contact:       linux-input@...r.kernel.org, platform-driver-x86@...r.kernel.org
+Description:
+               A read/write attribute controlling TrackPoint doubletap.
+
+               Reading returns the current state:
+               0 - disabled
+               1 - enabled
+
+               Writing:
+               0 - disable doubletap
+               1 - enable doubletap
+
+               The attribute is only present if the TrackPoint firmware
+               supports doubletap functionality.
-- 
2.48.1