[alsa-devel] [PATCH 00/17] firewire: share the size of period for both playback and capture PCM substreams

[Takashi Iwai]

On Mon, 07 Oct 2019 13:05:15 +0200,
Takashi Sakamoto wrote:
> 
> Hi,
> 
> This patchset is a preparation for enhancement of AMDTP domain that I
> addressed to my previous patchset:
> https://mailman.alsa-project.org/pipermail/alsa-devel/2019-July/152430.html
> 
> When queued packets for several IT/IR contexts in the same domain are
> handled in hardware IRQ context for an IT context, the number of events
> in the packets are mostly the same for each of contexts. This means that
> the size of period for PCM substreams associated to the contexts is also
> the same.
> 
> At present, PCM substreams for the contexts can have own size of period.
> This commit adds a member into AMDTP domain to share the size of period
> for PCM substreams on AMDTP streams in the same domain.
> 
> This patchset includes optimization to detect whether isochronous
> resources for AMDTP streams are reserved or not in pcm.open callback.
> 
> Takashi Sakamoto (17):
>   firewire-lib: add a member into AMDTP domain for events per period
>   bebob: register the size of PCM period to AMDTP domain
>   fireworks: register the size of PCM period to AMDTP domain
>   oxfw: register the size of PCM period to AMDTP domain
>   dice: register the size of PCM period to AMDTP domain
>   firewire-digi00x: register the size of PCM period to AMDTP domain
>   firewire-tascam: register the size of PCM period to AMDTP domain
>   firewire-motu: register the size of PCM period to AMDTP domain
>   fireface: register the size of PCM period to AMDTP domain
>   bebob: use the same size of period for PCM substream in AMDTP streams
>   fireworks: use the same size of period for PCM substream in AMDTP
>     streams
>   oxfw: use the same size of period for PCM substream in AMDTP streams
>   dice: use the same size of period for PCM substream in AMDTP streams
>   firewire-digi00x: use the same size of period for PCM substream in
>     AMDTP streams
>   firewire-tascam: use the same size of period for PCM substream in
>     AMDTP streams
>   firewire-motu: use the same size of period for PCM substream in AMDTP
>     streams
>   fireface: use the same size of period for PCM substreams in AMDTP
>     streams

Applied all 17 patches now (with the correction of subject prefix).


thanks,

Takashi