Re: [PATCH 00/18] ASoC: SOF: ipc4: Multi-stream playback and capture support

-- Péter On 27/01/2023 14:00, Peter Ujfalusi wrote: > Hi, > > The following series will enable multi-stream support for playback and capture > streams. > Currently only a single PCM can be connected to a DAI, with the multi-stream > support it is possible to connect multiple PCMs to a single DAI. > > To achieve this we need to make sure that DAIs/AIF are only set up once since > other stream could be connected to it later. > > We also need to introduce reference or use counting for widgets to make sure > that they are not going to be destroyed while other streams are still using > them. > > With the multi-stream support we also need to extend our current locking scheme > which worked well for simple paths. > > The first patch was sent to the mailing list, but it is not yet applied and I > have included in this series as it is a direct dependency: > https://lore.kernel.org/alsa-devel/20230117121615.25690-1-peter.ujfalusi@lin... > > Regards, > Peter > --- > Peter Ujfalusi (3): > ASoC: SOF: Avoid double decrementing use_count in sof_widget_setup on > error > ASoC: SOF: Protect swidget->use_count with mutex for kcontrol access > race > ASoC: SOF: ipc4-pcm: Do not run the trigger pipelines if no spipe is > stored > > Ranjani Sridharan (15): > ASoC: SOF: ipc4-topology: No need to unbind routes within a pipeline > ASoC: soc-pcm: Export widget_in_list() > ASoC: SOF: sof-audio: Set up/free DAI/AIF widgets only once > ASoC: SOF: sof-audio: Only process widgets in the connected widget > list > ASoC: SOF: pcm: do not free widgets during suspend trigger > ASoC: SOF: topology: Set IPC-specific trigger order for DAI links > ASoC: SOF: Introduce PCM setup/free PCM IPC ops > ASoC: SOF: ipc4-pcm: Define pcm_setup/free ops > ASoC: SOF: ipc4: Add flag to skip triggering pipelines during FE DAI > trigger > ASoC: SOF: sof-audio: Populate the PCM stream pipeline_info > ASoC: SOF: ipc4-pcm: Use the PCM stream's pipeline_info during trigger > ASoC: SOF: Introduce struct snd_sof_pipeline > ASoC: SOF: ipc4-pcm: Rename 'data' variable to trigger_list > ASoC: SOF: ipc4-pcm: Implement pipeline trigger reference counting > ASoC: SOF: ipc4-topology: Protect pipeline free with mutex > > include/sound/soc-dpcm.h | 2 + > include/sound/sof/ipc4/header.h | 3 + > sound/soc/soc-pcm.c | 3 +- > sound/soc/sof/core.c | 1 + > sound/soc/sof/intel/hda-dai.c | 92 ++------- > sound/soc/sof/ipc3-control.c | 46 +++-- > sound/soc/sof/ipc3-topology.c | 32 ++- > sound/soc/sof/ipc4-control.c | 33 ++- > sound/soc/sof/ipc4-pcm.c | 343 +++++++++++++++++++++++++------- > sound/soc/sof/ipc4-priv.h | 2 + > sound/soc/sof/ipc4-topology.c | 48 ++++- > sound/soc/sof/ipc4-topology.h | 12 ++ > sound/soc/sof/ipc4.c | 2 + > sound/soc/sof/pcm.c | 5 +- > sound/soc/sof/sof-audio.c | 226 ++++++++++++++------- > sound/soc/sof/sof-audio.h | 54 ++++- > sound/soc/sof/sof-priv.h | 1 + > sound/soc/sof/topology.c | 114 +++++++---- > 18 files changed, 714 insertions(+), 305 deletions(-) >