On Mon, 09 May 2016 16:15:49 +0200, Takashi Sakamoto wrote: > > Hi, > > This patchset updates my former RFC, and go for merging to Linux 4.7. > > [RFC][PATCH 0/6] ALSA: firewire: drop reusing incoming packet > parameters for outgoing packet parameters > http://mailman.alsa-project.org/pipermail/alsa-devel/2016-April/107290.html > > The aim of this patchset is to remove a feature from firewire-lib module. > I call it as 'full duplex streaming with timestamp synchronization'. > > The feature is based on our understanding of IEC 61883-6. In the specification, > a function block should reuse some parameters of incoming packets for > outgoing packets. Current ALSA firewire stack partly implement it. However, > actual audio and music units on IEEE 1394 bus don't expect corresponding drivers > to satisfy the feature. > > On the other hand, the feature brings inconveniences to this module. When this > feature is enabled, a software IRQ context processes packets for both of IR/IT > contexts. This consumes more time over local CPUs than handling one context. > Furthermore, cycle count for outgoing packets becomes improper because they're > for incoming packets. > > For these reasons, this patchset removes the feature from ALSA firewire stack. > > Changes: > - The last patch is newly added. > > Regards > > Takashi Sakamoto (7): > ALSA: bebob: drop reuse of incoming packet parameter for outgoing > packet parameter > ALSA: fireworks: drop reuse of incoming packet parameter for ougoing > packet parameter > ALSA: firewire-tascam: drop reuse of incoming packet parameter for > outgoing packet parameter > ALSA: firewire-lib: handle IT/IR contexts in each software interrupt > context > ALSA: firewire-lib: code cleanup for incoming packet handling > ALSA: firewire-lib: code cleanup for outgoing packet handling > ALSA: firewire-lib: enable the same feature as CIP_SKIP_INIT_DBC_CHECK > flag Applied all patches now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
