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Don't return the confusing -EIO error code when the device is not registered,
instead return -ENODEV which is the proper thing to do in this situation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Currently if none of the requested logical addresses can be claimed, the
framework will fall back to the Unregistered logical address.
Add a flag to enable this explicitly. By default it will just go back to
the unconfigured state.
Usually Unregistered is not something you want since the functionality is
very limited. Unless the application has support for this, it will fail
to work correctly. So require that the application explicitly requests
this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This lock will be used to protect more than just the fhs list.
So rename it to just 'lock'.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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For POLLOUT poll only checked if the adapter was configured, not
if there was room in the transmit queue. Add that check.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The filehandle was set to NULL when in non-blocking mode or when
no reply is needed.
This is wrong: the filehandle is needed in non-blocking mode to ensure
that the result of the transmit can be obtained through CEC_RECEIVE.
And the 'reply' check was also incorrect since it should have checked the
timeout field (the reply can be 0). In any case, when in blocking mode
there is no need to set the fh to NULL either.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When CEC_RECEIVE returns a message the original timeout field
was overwritten. Restore the timeout field.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When the device is in monitor mode, then you should always be able to
call CEC_RECEIVE, even it the device is unconfigured.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The added HDMI CEC framework provides a generic kernel interface for
HDMI CEC devices.
Note that the CEC framework is added to staging/media and that the
cec.h and cec-funcs.h headers are not exported yet. While the kABI
is mature, I would prefer to allow the uABI some more time before
it is mainlined in case it needs more tweaks.
This adds the cec-api.c source that deals with the public CEC API
and the Kconfig/Makefile plumbing.
The MAINTAINERS file is also updated.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[k.debski@samsung.com: code cleanup and fixes]
Signed-off-by: Kamil Debski <kamil@wypas.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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