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Commit 41c01d65 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] cec-ioc-adap-g-caps.rst: document CEC_CAP_NEEDS_HPD 



Document the new CEC_CAP_NEEDS_HPD capability.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent f902c1e9

Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst

+8 −0
Original line number Diff line number Diff line
@@ -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.