[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/input/input_kapi.rst b/src/kernel/linux/v4.19/Documentation/input/input_kapi.rst
new file mode 100644
index 0000000..41f1b7e
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/input/input_kapi.rst
@@ -0,0 +1,17 @@
+.. include:: <isonum.txt>
+
+################################
+Linux Input Subsystem kernel API
+################################
+
+.. class:: toc-title
+
+        Table of Contents
+
+.. toctree::
+   :maxdepth: 2
+   :numbered:
+
+   input-programming
+   gameport-programming
+   notifier