Messages in this thread | | | From | "S.j. Wang" <> | Subject | Re: [PATCH 2/3] ASoC: fsl_asrc: update supported sample format | Date | Tue, 10 Sep 2019 02:07:25 +0000 |
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Hi
> > 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. > > 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 tested > S20_3LE, but I feel it should work since I put there... > > Thanks > Nicolin >
For S20_3LE, the width is 20bit, but the ASRC only support 24bit, if set the ASRMCR1n.IWD= 24bit, because the actual width is 20 bit, the volume is Lower than expected, it likes 24bit data right shift 4 bit. So it is not supported.
Best regards Wang shengjiu
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