greybus: loopback: add sink to loopback protocol

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Loopback sink command will operate as an amalgam of the ping and tranfer
operations. Sink will send an ACK'd variable size operation over greybus.
Unlike the transfer type which transmits the received data back, the sink
type will simply ACK without sending the received data back.

This patch adds the kernel side of the sink command.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

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Bryan O'Donoghue 2015-07-13 20:20:49 +01:00 • committed by Greg Kroah-Hartman

parent a598f4384d

commit 384a7a3c4f

2 changed files with 30 additions and 0 deletions

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1

drivers/staging/greybus/greybus_protocols.h

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29

drivers/staging/greybus/loopback.c

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