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| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst | 8 |
1 files changed, 8 insertions, 0 deletions
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 a0e961f11017..6d7bf7bef3eb 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst @@ -113,6 +113,14 @@ returns the information to the application. The ioctl never fails. - 0x00000020 - The CEC hardware can monitor all messages, not just directed and broadcast messages. + * .. _`CEC-CAP-NEEDS-HPD`: + + - ``CEC_CAP_NEEDS_HPD`` + - 0x00000040 + - The CEC hardware is only active if the HDMI Hotplug Detect pin is + 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. |