[media] cec: add proper support for CDC-Only CEC devices

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CDC-Only CEC devices are CEC devices that can only handle CDC messages,
all other messages are ignored.

Add a flag to signal that this is a CDC-Only device and act accordingly.

Also add helper functions to identify if a CEC device is configured as a
CDC-Only device, a second TV, a switch or a processor, since these variations
cannot be determined by the logical address alone.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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This commit is contained in:

Hans Verkuil 2016-11-02 07:41:41 -02:00 • committed by Mauro Carvalho Chehab

parent f5580d8d6f

commit a69a168a1b

4 changed files with 90 additions and 6 deletions

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4

drivers/staging/media/cec/TODO

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31

drivers/staging/media/cec/cec-adap.c

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9

drivers/staging/media/cec/cec-api.c

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52

include/linux/cec.h

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