linux-kernel - Re: [PATCH v5 2/2] ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and platform drivers

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Date:	Fri, 25 Jul 2014 17:04:11 +0530
From:	Varka Bhadram <varkabhadram@...il.com>
To:	Nicolin Chen <nicoleotsuka@...il.com>, broonie@...nel.org
CC:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	rdunlap@...radead.org, lgirdwood@...il.com, perex@...ex.cz,
	tiwai@...e.de, timur@...i.org, grant.likely@...aro.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
	shawn.guo@...aro.org, b02247@...escale.com, b42378@...escale.com,
	tklauser@...tanz.ch
Subject: Re: [PATCH v5 2/2] ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and platform
 drivers

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@...il.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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