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Commit 277f963c authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] cec: improve dqevent documentation 



The documentation for the cec_event_state_change struct was incomplete.
This patch documents what happens in the corner cases.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 31dc8b73

Documentation/media/uapi/cec/cec-ioc-dqevent.rst

+6 −2
Original line number Diff line number Diff line
@@ -64,7 +64,8 @@ it is guaranteed that the state did change in between the two events. 


       -  ``phys_addr``



       -  The current physical address.

       -  The current physical address. This is ``CEC_PHYS_ADDR_INVALID`` if no

          valid physical address is set.



    -  .. row 2
@@ -72,7 +73,10 @@ it is guaranteed that the state did change in between the two events. 


       -  ``log_addr_mask``



       -  The current set of claimed logical addresses.

       -  The current set of claimed logical addresses. This is 0 if no logical

          addresses are claimed or if ``phys_addr`` is ``CEC_PHYS_ADDR_INVALID``.

	  If bit 15 is set (``1 << CEC_LOG_ADDR_UNREGISTERED``) then this device

	  has the unregistered logical address. In that case all other bits are 0.