media: cec: document the new CEC pin capability, events and mode

[sfrench/cifs-2.6.git] / Documentation / media / uapi / cec / cec-ioc-adap-g-caps.rst

diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst
index 6d7bf7bef3eb628472c2725c28e248388a822da7..882d6e0257474cb09bdcf4e27ece0b06e42f2f49 100644 (file)
--- a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst
@@ -121,6 +121,13 @@ returns the information to the application. The ioctl never fails.
         high. This makes it impossible to use CEC to wake up displays that
        set the HPD pin low when in standby mode, but keep the CEC bus
        alive.
+    * .. _`CEC-CAP-MONITOR-PIN`:
+
+      - ``CEC_CAP_MONITOR_PIN``
+      - 0x00000080
+      - The CEC hardware can monitor CEC pin changes from low to high voltage
+        and vice versa. When in pin monitoring mode the application will
+       receive ``CEC_EVENT_PIN_LOW`` and ``CEC_EVENT_PIN_HIGH`` events.