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From: "S.j. Wang" <shengjiu.wang@nxp.com>
To: Nicolin Chen <nicoleotsuka@gmail.com>
Subject: Re: [PATCH 2/3] ASoC: fsl_asrc: update supported sample format
Thread-Topic: [PATCH 2/3] ASoC: fsl_asrc: update supported sample format
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Hi

>=20
> On Mon, Sep 09, 2019 at 06:33:20PM -0400, Shengjiu Wang wrote:
> > The ASRC support 24bit/16bit/8bit input width, so S20_3LE format
> > should not be supported, it is word width is 20bit.
>=20
> I thought 3LE used 24-bit physical width. And the driver assigns
> ASRC_WIDTH_24_BIT to "width" for all non-16bit cases, so 20-bit would go
> for that 24-bit slot also. I don't clearly recall if I had explicitly tes=
ted
> S20_3LE, but I feel it should work since I put there...
>=20
> Thanks
> Nicolin
>=20

For S20_3LE, the width is 20bit,  but the ASRC only support 24bit, if set t=
he
ASRMCR1n.IWD=3D 24bit, because the actual width is 20 bit, the volume is
Lower than expected,  it likes 24bit data right shift 4 bit.=20
So it is not supported.

Best regards
Wang shengjiu=20