[media] doc-rst: document LIRC_SET_REC_TIMEOUT_REPORTS

Add a separate page for this ioctl and improve its documentation.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/rc/lirc-set-rec-timeout-reports.rst

@@ -0,0 +1,49 @@
+.. -*- coding: utf-8; mode: rst -*-
+
+.. _lirc_set_rec_timeout_reports:
+
+**********************************
+ioctl LIRC_SET_REC_TIMEOUT_REPORTS
+**********************************
+
+Name
+====
+
+LIRC_SET_REC_TIMEOUT_REPORTS - enable or disable timeout reports for IR receive
+
+Synopsis
+========
+
+.. cpp:function:: int ioctl( int fd, int request, __u32 *enable )
+
+Arguments
+=========
+
+``fd``
+    File descriptor returned by open().
+
+``request``
+    LIRC_SET_REC_TIMEOUT_REPORTS
+
+``enable``
+    enable = 1 means enable timeout report, enable = 0 means disable timeout
+    reports.
+
+
+Description
+===========
+
+Enable or disable timeout reports for IR receive. By default, timeout reports
+should be turned off.
+
+.. note::
+
+   This ioctl is only valid for :ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>`.
+
+
+Return Value
+============
+
+On success 0 is returned, on error -1 and the ``errno`` variable is set
+appropriately. The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.