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Subject: media: admin-guide: Add an introduction chapter
Author: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
Date: Thu Apr 16 13:31:40 2020 +0200
The media's admin guide is currently just a group of
not-connected docs.
Add an introduction chapter for it to start making sense
to a random reader.
Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
Documentation/admin-guide/media/index.rst | 2 ++
Documentation/admin-guide/media/intro.rst | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
---
diff --git a/Documentation/admin-guide/media/index.rst
b/Documentation/admin-guide/media/index.rst
index 6e5e6bdb6d4b..f79d4f1e05ba 100644
--- a/Documentation/admin-guide/media/index.rst
+++ b/Documentation/admin-guide/media/index.rst
@@ -34,6 +34,8 @@ Video4Linux (V4L) driver-specific documentation
:maxdepth: 5
:numbered:
+ intro
+
cardlist
v4l-with-ir
diff --git a/Documentation/admin-guide/media/intro.rst
b/Documentation/admin-guide/media/intro.rst
new file mode 100644
index 000000000000..fec8122f2412
--- /dev/null
+++ b/Documentation/admin-guide/media/intro.rst
@@ -0,0 +1,27 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+Introduction
+============
+
+The media subsystem consists on Linux support for several different types
+of devices:
+
+- Audio and video grabbers;
+- PC and Laptop Cameras;
+- Complex cameras found on Embedded hardware;
+- Analog and digital TV;
+- HDMI Customer Electronics Control (CEC);
+- Multi-touch input devices;
+- Remote Controllers;
+- Media encoders and decoders.
+
+Due to the diversity of devices, the subsystem provides several different
+APIs:
+
+- Remote Controller API;
+- HDMI CEC API;
+- Video4Linux API;
+- Media controller API;
+- Video4Linux Request API (experimental);
+- Digital TV API (also known as DVB API).
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