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-rw-r--r--Documentation/userspace-api/media/rc/lirc-dev-intro.rst19
1 files changed, 12 insertions, 7 deletions
diff --git a/Documentation/userspace-api/media/rc/lirc-dev-intro.rst b/Documentation/userspace-api/media/rc/lirc-dev-intro.rst
index c88973732282..d899331b943f 100644
--- a/Documentation/userspace-api/media/rc/lirc-dev-intro.rst
+++ b/Documentation/userspace-api/media/rc/lirc-dev-intro.rst
@@ -103,11 +103,11 @@ on the following table.
``LIRC_MODE2_PULSE``
- Signifies the presence of IR in microseconds.
+ Signifies the presence of IR in microseconds, also known as *flash*.
``LIRC_MODE2_SPACE``
- Signifies absence of IR in microseconds.
+ Signifies absence of IR in microseconds, also known as *gap*.
``LIRC_MODE2_FREQUENCY``
@@ -117,11 +117,16 @@ on the following table.
``LIRC_MODE2_TIMEOUT``
- If timeout reports are enabled with
- :ref:`lirc_set_rec_timeout_reports`, when the timeout set with
- :ref:`lirc_set_rec_timeout` expires due to no IR being detected,
- this packet will be sent, with the number of microseconds with
- no IR.
+ When the timeout set with :ref:`lirc_set_rec_timeout` expires due
+ to no IR being detected, this packet will be sent, with the number
+ of microseconds with no IR.
+
+ ``LIRC_MODE2_OVERFLOW``
+
+ Signifies that the IR receiver encounter an overflow, and some IR
+ is missing. The IR data after this should be correct again. The
+ actual value is not important, but this is set to 0xffffff by the
+ kernel for compatibility with lircd.
.. _lirc-mode-pulse: