Messages in this thread | | | Date | Thu, 29 Jun 2023 12:38:57 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 4/6] ASoC: fsl_asrc: Add memory to memory driver |
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On Thu, Jun 29, 2023 at 09:37:51AM +0800, Shengjiu Wang wrote: > Implement the ASRC memory to memory function using > the v4l2 framework, user can use this function with > v4l2 ioctl interface. > > User send the output and capture buffer to driver and > driver store the converted data to the capture buffer. > > This feature can be shared by ASRC and EASRC drivers > > Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> > --- > sound/soc/fsl/Kconfig | 13 + > sound/soc/fsl/Makefile | 2 + > sound/soc/fsl/fsl_asrc_m2m.c | 878 +++++++++++++++++++++++++++++++++++ > sound/soc/fsl/fsl_asrc_m2m.h | 48 ++
This feels like the bit where we interface v4l to ASoC should be a separate library, there shouldn't be anything device specific about getting an audio stream into a block of memory. I'm thinking something like the way we handle dmaengine here.
I've not dug into the code yet though. [unhandled content-type:application/pgp-signature] | |