Hi,
In IR context of Linux FireWire subsystem, some quadlets of packet payload can be handled as a part of context header. As a result context payload can just include the rest of packet payload.
This patchset uses the mechanism to unify handlers of incoming packet for with-CIP and without-CIP headers.
Takashi Sakamoto (6): ALSA: firewire-lib: use clear name for variable of CIP header ALSA: firewire-lib: calculate the length of packet payload in packet handler ALSA: firewire-lib: compute pointer to payload buffer in context handler ALSA: firewire-lib: split helper function to check incoming CIP header ALSA: firewire-lib: use 16 bytes IR context header to separate CIP header ALSA: firewire-lib: unify packet handler for IR context
sound/firewire/amdtp-stream.c | 180 ++++++++++++++++++---------------- sound/firewire/amdtp-stream.h | 8 +- 2 files changed, 97 insertions(+), 91 deletions(-)