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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-11-30 08:00:45 -0500
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-14 09:58:36 -0500
commitbce71de364494554ee59fb41f633188eb7de1d58 (patch)
tree965224631e949ca052e59e9276ee4a1b4d01334a
parentf9866a7fdbb095447a54531d0faf6ace63200801 (diff)
media: RC docs: add enum rc_proto description at the docs
This is part of the uAPI. Add it to the documentation again, and fix cross-references. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Sean Young <sean@mess.org>
-rw-r--r--Documentation/media/uapi/rc/lirc-dev-intro.rst19
-rw-r--r--Documentation/media/uapi/rc/lirc-read.rst2
-rw-r--r--Documentation/media/uapi/rc/lirc-write.rst4
3 files changed, 16 insertions, 9 deletions
diff --git a/Documentation/media/uapi/rc/lirc-dev-intro.rst b/Documentation/media/uapi/rc/lirc-dev-intro.rst
index 47c6c218e72a..3a74fec66d69 100644
--- a/Documentation/media/uapi/rc/lirc-dev-intro.rst
+++ b/Documentation/media/uapi/rc/lirc-dev-intro.rst
@@ -46,13 +46,13 @@ on the following table.
This mode is for both sending and receiving IR.
For transmitting (aka sending), create a ``struct lirc_scancode`` with
- the desired scancode set in the ``scancode`` member, ``rc_proto`` set
- the IR protocol, and all other members set to 0. Write this struct to
+ the desired scancode set in the ``scancode`` member, :c:type:`rc_proto`
+ set the IR protocol, and all other members set to 0. Write this struct to
the lirc device.
For receiving, you read ``struct lirc_scancode`` from the lirc device,
with ``scancode`` set to the received scancode and the IR protocol
- ``rc_proto``. If the scancode maps to a valid key code, this is set
+ :c:type:`rc_proto`. If the scancode maps to a valid key code, this is set
in the ``keycode`` field, else it is set to ``KEY_RESERVED``.
The ``flags`` can have ``LIRC_SCANCODE_FLAG_TOGGLE`` set if the toggle
@@ -74,9 +74,6 @@ on the following table.
The ``timestamp`` field is filled with the time nanoseconds
(in ``CLOCK_MONOTONIC``) when the scancode was decoded.
- An ``enum rc_proto`` in the :ref:`lirc_header` lists all the supported
- IR protocols.
-
.. _lirc-mode-mode2:
``LIRC_MODE_MODE2``
@@ -125,3 +122,13 @@ on the following table.
of entries.
This mode is used only for IR send.
+
+
+**************************
+Remote Controller protocol
+**************************
+
+An enum :c:type:`rc_proto` in the :ref:`lirc_header` lists all the
+supported IR protocols:
+
+.. kernel-doc:: include/uapi/linux/lirc.h
diff --git a/Documentation/media/uapi/rc/lirc-read.rst b/Documentation/media/uapi/rc/lirc-read.rst
index 51d37ed10194..c024aaffb8ad 100644
--- a/Documentation/media/uapi/rc/lirc-read.rst
+++ b/Documentation/media/uapi/rc/lirc-read.rst
@@ -54,7 +54,7 @@ read from the chardev.
Alternatively, :ref:`LIRC_MODE_SCANCODE <lirc-mode-scancode>` can be available,
in this mode scancodes which are either decoded by software decoders, or
-by hardware decoders. The ``rc_proto`` member is set to the
+by hardware decoders. The :c:type:`rc_proto` member is set to the
protocol used for transmission, and ``scancode`` to the decoded scancode,
and the ``keycode`` set to the keycode or ``KEY_RESERVED``.
diff --git a/Documentation/media/uapi/rc/lirc-write.rst b/Documentation/media/uapi/rc/lirc-write.rst
index 3d7541bad8b9..dd3d1fe807a6 100644
--- a/Documentation/media/uapi/rc/lirc-write.rst
+++ b/Documentation/media/uapi/rc/lirc-write.rst
@@ -57,8 +57,8 @@ driver returns ``EINVAL``.
When in :ref:`LIRC_MODE_SCANCODE <lirc-mode-scancode>` mode, one
``struct lirc_scancode`` must be written to the chardev at a time, else
``EINVAL`` is returned. Set the desired scancode in the ``scancode`` member,
-and the protocol in the ``rc_proto`` member. All other members must be set
-to 0, else ``EINVAL`` is returned. If there is no protocol encoder
+and the protocol in the :c:type:`rc_proto`: member. All other members must be
+set to 0, else ``EINVAL`` is returned. If there is no protocol encoder
for the protocol or the scancode is not valid for the specified protocol,
``EINVAL`` is returned. The write function may not wait until the scancode
is transmitted.

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