[alsa-devel] [PATCH v5 2/2] ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and platform drivers

Varka Bhadram varkabhadram at gmail.com
Fri Jul 25 13:34:11 CEST 2014


On 07/25/2014 02:16 PM, Nicolin Chen wrote:
> The Asynchronous Sample Rate Converter (ASRC) converts the sampling rate of a
> signal associated with an input clock into a signal associated with a different
> output clock. The driver currently works as a Front End of DPCM with other Back
> Ends DAI links such as ESAI<->CS42888 and SSI<->WM8962 and SAI. It converts the
> original sample rate to a common rate supported by Back Ends for playback while
> converts the common rate of Back Ends to a desired rate for capture. It has 3
> pairs to support three different substreams within totally 10 channels.
>
> Signed-off-by: Nicolin Chen <nicoleotsuka at gmail.com>
> ---
>   .../devicetree/bindings/sound/fsl,asrc.txt         |  60 ++
>   sound/soc/fsl/Kconfig                              |   9 +
>   sound/soc/fsl/Makefile                             |   2 +
>   sound/soc/fsl/fsl_asrc.c                           | 992 +++++++++++++++++++++
>   sound/soc/fsl/fsl_asrc.h                           | 461 ++++++++++
>   sound/soc/fsl/fsl_asrc_dma.c                       | 386 ++++++++
>   6 files changed, 1910 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/sound/fsl,asrc.txt
>   create mode 100644 sound/soc/fsl/fsl_asrc.c
>   create mode 100644 sound/soc/fsl/fsl_asrc.h
>   create mode 100644 sound/soc/fsl/fsl_asrc_dma.c
>
>
check patch warnings on this patch...

-- 
Regards,
Varka Bhadram.



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