Mark Greer 4a8e519902 greybus: audio: Register CPorts for specific directions ...

Currently, it is assumed that all audio data CPorts registered on
APB1 are used for transmitting audio data.  That may not always be
true like when a microphone is connected but no speakers.  Also,
the current special protocol lacks a way to tell APB1 whether the CPort
being registered is for transmitting, receiving, or both.

Fix by adding a 'direction' field to the register and unregister CPort
requests and define bits indicating which direction (or both) audio
data will go on that CPort.

Signed-off-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

2016-02-29 13:37:39 -08:00

drivers/staging/greybus

greybus: audio: Register CPorts for specific directions

2016-02-29 13:37:39 -08:00

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