ALSA: firewire-lib: use 8 byte packet header for IT context to separate CIP header from CIP payload

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In Linux firewire subsystem, for IT context, some quadlets of isochronous
packet payload can be indicated as a part of packet header to queue to
the context.

This commit uses the packet header to split CIP headers from CIP
payload. As a result, regardless of CIP or non-CIP, context payload
includes data blocks only.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Sakamoto 2019-05-24 00:14:40 +09:00 • committed by Takashi Iwai

parent 6007bf5460

commit b18f0cfaf1

1 changed files with 35 additions and 28 deletions

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63

sound/firewire/amdtp-stream.c

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